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28008033348 = 2232334002779
BaseRepresentation
bin11010000101011010…
…001010110001000100
32200021221001111211110
4122011122022301010
5424330024031343
620511113205020
72011031232621
oct320532126104
980257044743
1028008033348
1110972893aa9
125517a00770
1328447a13c9
1414d9a81348
15addd01833
hex68568ac44

28008033348 has 12 divisors (see below), whose sum is σ = 65352077840. Its totient is φ = 9336011112.

The previous prime is 28008033329. The next prime is 28008033367. The reversal of 28008033348 is 84333080082.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28008033329) and next prime (28008033367).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167001378 + ... + 1167001401.

Almost surely, 228008033348 is an apocalyptic number.

It is an amenable number.

28008033348 is an abundant number, since it is smaller than the sum of its proper divisors (37344044492).

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

28008033348 is a wasteful number, since it uses less digits than its factorization.

28008033348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334002786 (or 2334002784 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 28008033348 in words is "twenty-eight billion, eight million, thirty-three thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 2334002779 4668005558 7002008337 9336011116 14004016674 28008033348