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25061108027 = 1631229125101
BaseRepresentation
bin10111010101110000…
…100010100100111011
32101200112220012021012
4113111300202210323
5402311120424102
615302442304135
71545015621614
oct272560424473
971615805235
1025061108027
11a6a038442a
124a34ab804b
1324950b0907
1412da532c0b
159ba243752
hex5d5c2293b

25061108027 has 8 divisors (see below), whose sum is σ = 25235575440. Its totient is φ = 24886893600.

The previous prime is 25061108003. The next prime is 25061108029. The reversal of 25061108027 is 72080116052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25061108027 - 212 = 25061103931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25061107984 and 25061108002.

It is not an unprimeable number, because it can be changed into a prime (25061108029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137777 + ... + 262877.

It is an arithmetic number, because the mean of its divisors is an integer number (3154446930).

Almost surely, 225061108027 is an apocalyptic number.

25061108027 is a deficient number, since it is larger than the sum of its proper divisors (174467413).

25061108027 is a wasteful number, since it uses less digits than its factorization.

25061108027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126493.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 25061108027 in words is "twenty-five billion, sixty-one million, one hundred eight thousand, twenty-seven".

Divisors: 1 163 1229 125101 200327 20391463 153749129 25061108027