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20151268324 = 2211857534403
BaseRepresentation
bin10010110001000110…
…111111001111100100
31221000101011111101021
4102301012333033210
5312232211041244
613131331340524
71312236645265
oct226106771744
957011144337
1020151268324
118600958170
123aa4751744
131b91b2bc15
14d9242096c
157ce19b284
hex4b11bf3e4

20151268324 has 24 divisors (see below), whose sum is σ = 38515565088. Its totient is φ = 9148962240.

The previous prime is 20151268271. The next prime is 20151268327. The reversal of 20151268324 is 42386215102.

It is a self number, because there is not a number n which added to its sum of digits gives 20151268324.

It is not an unprimeable number, because it can be changed into a prime (20151268327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229494 + ... + 304909.

It is an arithmetic number, because the mean of its divisors is an integer number (1604815212).

Almost surely, 220151268324 is an apocalyptic number.

It is an amenable number.

20151268324 is a deficient number, since it is larger than the sum of its proper divisors (18364296764).

20151268324 is a wasteful number, since it uses less digits than its factorization.

20151268324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535275 (or 535273 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 20151268324 in words is "twenty billion, one hundred fifty-one million, two hundred sixty-eight thousand, three hundred twenty-four".

Divisors: 1 2 4 11 22 44 857 1714 3428 9427 18854 37708 534403 1068806 2137612 5878433 11756866 23513732 457983371 915966742 1831933484 5037817081 10075634162 20151268324