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6131107025 = 521731417597
BaseRepresentation
bin1011011010111000…
…10100010011010001
3120211021202111200222
411231130110103101
5100024030411100
62452214522425
7304635356411
oct55534242321
916737674628
106131107025
1126669394aa
121231366415
137692b13a4
144223ba641
1525d3d4485
hex16d7144d1

6131107025 has 12 divisors (see below), whose sum is σ = 7646523612. Its totient is φ = 4876530240.

The previous prime is 6131107019. The next prime is 6131107043. The reversal of 6131107025 is 5207011316.

It can be written as a sum of positive squares in 6 ways, for example, as 724740241 + 5406366784 = 26921^2 + 73528^2 .

It is not a de Polignac number, because 6131107025 - 216 = 6131041489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6131106985 and 6131107003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 704474 + ... + 713123.

It is an arithmetic number, because the mean of its divisors is an integer number (637210301).

Almost surely, 26131107025 is an apocalyptic number.

It is an amenable number.

6131107025 is a deficient number, since it is larger than the sum of its proper divisors (1515416587).

6131107025 is a wasteful number, since it uses less digits than its factorization.

6131107025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417780 (or 1417775 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 6131107025 is about 78301.3858434191. The cubic root of 6131107025 is about 1830.2607474814.

The spelling of 6131107025 in words is "six billion, one hundred thirty-one million, one hundred seven thousand, twenty-five".

Divisors: 1 5 25 173 865 4325 1417597 7087985 35439925 245244281 1226221405 6131107025