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26230620641 = 233792933179
BaseRepresentation
bin11000011011011101…
…111000000111100001
32111201001112120222012
4120123131320013201
5412210014330031
620014501122305
71616006411441
oct303335700741
974631476865
1026230620641
1110140557585
1251006b9395
13262048c304
1413ab9a8121
15a37c5ab2b
hex61b7781e1

26230620641 has 16 divisors (see below), whose sum is σ = 28141948800. Its totient is φ = 24385033728.

The previous prime is 26230620623. The next prime is 26230620649. The reversal of 26230620641 is 14602603262.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26230620641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26230620598 and 26230620607.

It is not an unprimeable number, because it can be changed into a prime (26230620649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773990 + ... + 807168.

It is an arithmetic number, because the mean of its divisors is an integer number (1758871800).

Almost surely, 226230620641 is an apocalyptic number.

It is an amenable number.

26230620641 is a deficient number, since it is larger than the sum of its proper divisors (1911328159).

26230620641 is a wasteful number, since it uses less digits than its factorization.

26230620641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34168.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 26230620641 in words is "twenty-six billion, two hundred thirty million, six hundred twenty thousand, six hundred forty-one".

Divisors: 1 23 37 851 929 21367 33179 34373 763117 790579 1227623 28235329 30823291 708935693 1140461767 26230620641