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10381905540852 = 2232936781288997
BaseRepresentation
bin1001011100010011100111…
…0010101011011011110100
31100202111111211212212012120
42113010321302223123310
52330044120304301402
634025214230115540
72121032204026146
oct227047162533364
940674454785176
1010381905540852
113342a3a02744a
1211b80bb1abbb0
135a4017b127b1
1427c6b6116c96
151300cd0253bc
hex97139cab6f4

10381905540852 has 48 divisors (see below), whose sum is σ = 25128055061760. Its totient is φ = 3332198524032.

The previous prime is 10381905540749. The next prime is 10381905540857. The reversal of 10381905540852 is 25804550918301.

It is a junction number, because it is equal to n+sod(n) for n = 10381905540795 and 10381905540804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10381905540857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40516783 + ... + 40772214.

It is an arithmetic number, because the mean of its divisors is an integer number (523501147120).

Almost surely, 210381905540852 is an apocalyptic number.

10381905540852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10381905540852 is an abundant number, since it is smaller than the sum of its proper divisors (14746149520908).

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

10381905540852 is a wasteful number, since it uses less digits than its factorization.

10381905540852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81289400 (or 81289398 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 51.

The spelling of 10381905540852 in words is "ten trillion, three hundred eighty-one billion, nine hundred five million, five hundred forty thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 367 734 1101 1468 2202 4404 10643 21286 31929 42572 63858 127716 81288997 162577994 243866991 325155988 487733982 975467964 2357380913 4714761826 7072142739 9429523652 14144285478 28288570956 29833061899 59666123798 89499185697 119332247596 178998371394 357996742788 865158795071 1730317590142 2595476385213 3460635180284 5190952770426 10381905540852