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102560408442 = 2351137572467
BaseRepresentation
bin101111110000100010…
…0111010001101111010
3100210201121111120100000
41133201010322031322
53140020431032232
6115040545253430
710260354042102
oct1374104721572
9323647446300
10102560408442
113a54a749938
1217a63334276
1398960cca1b
144d6d118202
152a03de927c
hex17e113a37a

102560408442 has 96 divisors (see below), whose sum is σ = 232885179072. Its totient is φ = 33825786624.

The previous prime is 102560408441. The next prime is 102560408459. The reversal of 102560408442 is 244804065201.

102560408442 is a `hidden beast` number, since 1 + 0 + 2 + 5 + 604 + 0 + 8 + 4 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 102560408397 and 102560408406.

It is not an unprimeable number, because it can be changed into a prime (102560408441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41571693 + ... + 41574159.

It is an arithmetic number, because the mean of its divisors is an integer number (2425887282).

Almost surely, 2102560408442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102560408442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116442589536).

102560408442 is an abundant number, since it is smaller than the sum of its proper divisors (130324770630).

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

102560408442 is a wasteful number, since it uses less digits than its factorization.

102560408442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3354 (or 3342 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 102560408442 in words is "one hundred two billion, five hundred sixty million, four hundred eight thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 81 113 162 226 243 339 486 678 757 1017 1514 2034 2271 2467 3051 4542 4934 6102 6813 7401 9153 13626 14802 18306 20439 22203 27459 40878 44406 54918 61317 66609 85541 122634 133218 171082 183951 199827 256623 278771 367902 399654 513246 557542 599481 769869 836313 1198962 1539738 1672626 1867519 2309607 2508939 3735038 4619214 5017878 5602557 6928821 7526817 11205114 13857642 15053634 16807671 20786463 22580451 33615342 41572926 45160902 50423013 67741353 100846026 135482706 151269039 211029647 302538078 422059294 453807117 633088941 907614234 1266177882 1899266823 3798533646 5697800469 11395600938 17093401407 34186802814 51280204221 102560408442