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28295013624 = 2331178958901
BaseRepresentation
bin11010010110100000…
…111010010011111000
32201000221001121202120
4122112200322103320
5430422010413444
620555404201240
72021114435043
oct322640722370
981027047676
1028295013624
1110aaa885589
125597b39220
13288c091017
141525c25c5a
15b090dcb19
hex69683a4f8

28295013624 has 16 divisors (see below), whose sum is σ = 70737534120. Its totient is φ = 9431671200.

The previous prime is 28295013613. The next prime is 28295013727. The reversal of 28295013624 is 42631059282.

It is a super-2 number, since 2×282950136242 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589479427 + ... + 589479474.

Almost surely, 228295013624 is an apocalyptic number.

28295013624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28295013624 is an abundant number, since it is smaller than the sum of its proper divisors (42442520496).

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

28295013624 is a wasteful number, since it uses less digits than its factorization.

28295013624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178958910 (or 1178958906 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 28295013624 in words is "twenty-eight billion, two hundred ninety-five million, thirteen thousand, six hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 24 1178958901 2357917802 3536876703 4715835604 7073753406 9431671208 14147506812 28295013624