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103491634956 = 22367128720939
BaseRepresentation
bin110000001100010010…
…1010000011100001100
3100220010111202202221220
41200120211100130030
53143422324304311
6115313212523340
710322422245153
oct1403045203414
9326114682856
10103491634956
113a98836a126
1218083180550
1399b400a728
14501aa8259a
152a5aa43206
hex181895070c

103491634956 has 24 divisors (see below), whose sum is σ = 245084669760. Its totient is φ = 33982327632.

The previous prime is 103491634949. The next prime is 103491634957. The reversal of 103491634956 is 659436194301.

It is a super-2 number, since 2×1034916349562 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103491634899 and 103491634908.

It is not an unprimeable number, because it can be changed into a prime (103491634957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64359666 + ... + 64361273.

It is an arithmetic number, because the mean of its divisors is an integer number (10211861240).

Almost surely, 2103491634956 is an apocalyptic number.

It is an amenable number.

103491634956 is an abundant number, since it is smaller than the sum of its proper divisors (141593034804).

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

103491634956 is a wasteful number, since it uses less digits than its factorization.

103491634956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128721013 (or 128721011 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 103491634956 in words is "one hundred three billion, four hundred ninety-one million, six hundred thirty-four thousand, nine hundred fifty-six".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 128720939 257441878 386162817 514883756 772325634 1544651268 8624302913 17248605826 25872908739 34497211652 51745817478 103491634956