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23870351040 = 2635127195787
BaseRepresentation
bin10110001110110010…
…001010011011000000
32021121120021110202120
4112032302022123000
5342341302213130
614544344244240
71503346431114
oct261662123300
967546243676
1023870351040
11a13a211048
124762170680
1323354a4593
14122632b744
1594a931910
hex58ec8a6c0

23870351040 has 112 divisors (see below), whose sum is σ = 76385513472. Its totient is φ = 6315273216.

The previous prime is 23870350949. The next prime is 23870351069. The reversal of 23870351040 is 4015307832.

It is a junction number, because it is equal to n+sod(n) for n = 23870350992 and 23870351010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24027 + ... + 219813.

Almost surely, 223870351040 is an apocalyptic number.

23870351040 is a gapful number since it is divisible by the number (20) 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 23870351040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38192756736).

23870351040 is an abundant number, since it is smaller than the sum of its proper divisors (52515162432).

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

23870351040 is a wasteful number, since it uses less digits than its factorization.

23870351040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195934 (or 195924 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 23870351040 its reverse (4015307832), we get a palindrome (27885658872).

The spelling of 23870351040 in words is "twenty-three billion, eight hundred seventy million, three hundred fifty-one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 127 160 192 240 254 320 381 480 508 635 762 960 1016 1270 1524 1905 2032 2540 3048 3810 4064 5080 6096 7620 8128 10160 12192 15240 20320 24384 30480 40640 60960 121920 195787 391574 587361 783148 978935 1174722 1566296 1957870 2349444 2936805 3132592 3915740 4698888 5873610 6265184 7831480 9397776 11747220 12530368 15662960 18795552 23494440 24864949 31325920 37591104 46988880 49729898 62651840 74594847 93977760 99459796 124324745 149189694 187955520 198919592 248649490 298379388 372974235 397839184 497298980 596758776 745948470 795678368 994597960 1193517552 1491896940 1591356736 1989195920 2387035104 2983793880 3978391840 4774070208 5967587760 7956783680 11935175520 23870351040