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11831922396 = 2234722931829
BaseRepresentation
bin10110000010011110…
…01100111011011100
31010112120211221020000
423001033030323130
5143212433004041
65234023054300
7566130452400
oct130117147334
933476757200
1011831922396
1150218a2468
1223625a1390
1311673a6518
14803589100
15493b1ebb6
hex2c13ccedc

11831922396 has 360 divisors, whose sum is σ = 38468707200. Its totient is φ = 3154878720.

The previous prime is 11831922353. The next prime is 11831922409. The reversal of 11831922396 is 69322913811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 14272110 + ... + 14272938.

It is an arithmetic number, because the mean of its divisors is an integer number (106857520).

Almost surely, 211831922396 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 11831922396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19234353600).

11831922396 is an abundant number, since it is smaller than the sum of its proper divisors (26636784804).

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

11831922396 is a wasteful number, since it uses less digits than its factorization.

11831922396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919 (or 901 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

It can be divided in two parts, 118319 and 22396, that added together give a triangular number (140715 = T530).

The spelling of 11831922396 in words is "eleven billion, eight hundred thirty-one million, nine hundred twenty-two thousand, three hundred ninety-six".