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380863685040 = 243510361724971
BaseRepresentation
bin1011000101011010011…
…11101010000110110000
31100102002001012211212220
411202231033222012300
522220002100410130
6450544422321040
736342104623206
oct5425517520660
91312061184786
10380863685040
11137583691773
1261992589180
1329bb8b83957
14146108a3076
159d918d4410
hex58ad3ea1b0

380863685040 has 160 divisors (see below), whose sum is σ = 1194120285696. Its totient is φ = 100410562560.

The previous prime is 380863684967. The next prime is 380863685089. The reversal of 380863685040 is 40586368083.

It is a super-3 number, since 3×3808636850403 (a number of 36 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15239755 + ... + 15264725.

Almost surely, 2380863685040 is an apocalyptic number.

380863685040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380863685040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597060142848).

380863685040 is an abundant number, since it is smaller than the sum of its proper divisors (813256600656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380863685040 is a wasteful number, since it uses less digits than its factorization.

380863685040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25707 (or 25701 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 380863685040 in words is "three hundred eighty billion, eight hundred sixty-three million, six hundred eighty-five thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 103 120 206 240 309 412 515 617 618 824 1030 1234 1236 1545 1648 1851 2060 2468 2472 3085 3090 3702 4120 4936 4944 6170 6180 7404 8240 9255 9872 12340 12360 14808 18510 24680 24720 24971 29616 37020 49360 49942 63551 74040 74913 99884 124855 127102 148080 149826 190653 199768 249710 254204 299652 317755 374565 381306 399536 499420 508408 599304 635510 749130 762612 953265 998840 1016816 1198608 1271020 1498260 1525224 1906530 1997680 2542040 2572013 2996520 3050448 3813060 5084080 5144026 5993040 7626120 7716039 10288052 12860065 15252240 15407107 15432078 20576104 25720130 30814214 30864156 38580195 41152208 46221321 51440260 61628428 61728312 77035535 77160390 92442642 102880520 123256856 123456624 154071070 154320780 184885284 205761040 231106605 246513712 308142140 308641560 369770568 462213210 616284280 617283120 739541136 924426420 1232568560 1586932021 1848852840 3173864042 3697705680 4760796063 6347728084 7934660105 9521592126 12695456168 15869320210 19043184252 23803980315 25390912336 31738640420 38086368504 47607960630 63477280840 76172737008 95215921260 126954561680 190431842520 380863685040