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28100751358 = 2174421186947
BaseRepresentation
bin11010001010111011…
…110110111111111110
32200112101112002000211
4122022323312333332
5430022243020413
620524224343034
72013235305541
oct321273667776
980471462024
1028100751358
1110a10161459
125542a74a7a
13285aa65534
1415080d8858
15ae701883d
hex68aef6ffe

28100751358 has 16 divisors (see below), whose sum is σ = 44640939024. Its totient is φ = 13220821120.

The previous prime is 28100751317. The next prime is 28100751373. The reversal of 28100751358 is 85315700182.

It is a self number, because there is not a number n which added to its sum of digits gives 28100751358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56841 + ... + 243787.

It is an arithmetic number, because the mean of its divisors is an integer number (2790058689).

Almost surely, 228100751358 is an apocalyptic number.

28100751358 is a deficient number, since it is larger than the sum of its proper divisors (16540187666).

28100751358 is a wasteful number, since it uses less digits than its factorization.

28100751358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191387.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 28100751358 in words is "twenty-eight billion, one hundred million, seven hundred fifty-one thousand, three hundred fifty-eight".

Divisors: 1 2 17 34 4421 8842 75157 150314 186947 373894 3178099 6356198 826492687 1652985374 14050375679 28100751358