Search a number
-
+
490348692988 = 2271117373251071
BaseRepresentation
bin1110010001010110000…
…11110100010111111100
31201212200020120111222021
413020223003310113330
531013213231133423
61013132454125524
750266204056130
oct7105303642774
91655606514867
10490348692988
11179a57065710
127b0489508a4
133731677991b
1419a3950b3c0
15cb4d6a195d
hex722b0f45fc

490348692988 has 96 divisors (see below), whose sum is σ = 1135825625088. Its totient is φ = 179324236800.

The previous prime is 490348692973. The next prime is 490348692997. The reversal of 490348692988 is 889296843094.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1827493 + ... + 2078563.

It is an arithmetic number, because the mean of its divisors is an integer number (11831516928).

Almost surely, 2490348692988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490348692988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567912812544).

490348692988 is an abundant number, since it is smaller than the sum of its proper divisors (645476932100).

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

490348692988 is a wasteful number, since it uses less digits than its factorization.

490348692988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251483 (or 251481 counting only the distinct ones).

The product of its (nonzero) digits is 214990848, while the sum is 70.

The spelling of 490348692988 in words is "four hundred ninety billion, three hundred forty-eight million, six hundred ninety-two thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 11 14 17 22 28 34 44 68 77 119 154 187 238 308 373 374 476 746 748 1309 1492 2611 2618 4103 5222 5236 6341 8206 10444 12682 16412 25364 28721 44387 57442 69751 88774 114884 139502 177548 251071 279004 488257 502142 976514 1004284 1757497 1953028 2761781 3514994 4268207 5523562 7029988 8536414 11047124 17072828 19332467 29877449 38664934 46950277 59754898 77329868 93649483 93900554 119509796 187298966 187801108 328651939 374597932 655546381 657303878 1030144313 1311092762 1314607756 1592041211 2060288626 2622185524 3184082422 4120577252 6368164844 7211010191 11144288477 14422020382 17512453321 22288576954 28844040764 35024906642 44577153908 70049813284 122587173247 245174346494 490348692988