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102340311052 = 2277514866859
BaseRepresentation
bin101111101001111110…
…1010011100000001100
3100210011021100110110211
41133103331103200030
53134043104423202
6115003044012204
710252042201540
oct1372375234014
9323137313424
10102340311052
113a44748a471
1217a01691064
13985c629b95
144d4bbc3a20
1529de9201d7
hex17d3f5380c

102340311052 has 24 divisors (see below), whose sum is σ = 204953208320. Its totient is φ = 43801722000.

The previous prime is 102340310971. The next prime is 102340311053. The reversal of 102340311052 is 250113043201.

It is a happy number.

It is a super-2 number, since 2×1023403110522 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102340311053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2412402 + ... + 2454457.

Almost surely, 2102340311052 is an apocalyptic number.

It is an amenable number.

102340311052 is an abundant number, since it is smaller than the sum of its proper divisors (102612897268).

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

102340311052 is a wasteful number, since it uses less digits than its factorization.

102340311052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867621 (or 4867619 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 102340311052 its reverse (250113043201), we get a palindrome (352453354253).

The spelling of 102340311052 in words is "one hundred two billion, three hundred forty million, three hundred eleven thousand, fifty-two".

Divisors: 1 2 4 7 14 28 751 1502 3004 5257 10514 21028 4866859 9733718 19467436 34068013 68136026 136272052 3655011109 7310022218 14620044436 25585077763 51170155526 102340311052