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25828002155 = 581117213701
BaseRepresentation
bin11000000011011110…
…000000100101101011
32110122222221110020102
4120003132000211223
5410343432032110
615510515420015
71603020252554
oct300336004553
973588843212
1025828002155
11aa5426332a
1250098b460b
132587c41c17
14137032132b
15a1272b5a5
hex60378096b

25828002155 has 16 divisors (see below), whose sum is σ = 31058239968. Its totient is φ = 20619360000.

The previous prime is 25828002149. The next prime is 25828002169. The reversal of 25828002155 is 55120082852.

It is not a de Polignac number, because 25828002155 - 24 = 25828002139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6976805 + ... + 6980505.

It is an arithmetic number, because the mean of its divisors is an integer number (1941139998).

Almost surely, 225828002155 is an apocalyptic number.

25828002155 is a deficient number, since it is larger than the sum of its proper divisors (5230237813).

25828002155 is a wasteful number, since it uses less digits than its factorization.

25828002155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6238.

The product of its (nonzero) digits is 64000, while the sum is 38.

The spelling of 25828002155 in words is "twenty-five billion, eight hundred twenty-eight million, two thousand, one hundred fifty-five".

Divisors: 1 5 811 1721 3701 4055 8605 18505 1395731 3001511 6369421 6978655 15007555 31847105 5165600431 25828002155