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40030422625 = 53320243381
BaseRepresentation
bin100101010001111111…
…111100011001100001
310211022210022011111101
4211101333330121201
51123440242011000
630220102514401
72614663656334
oct452177743141
9124283264441
1040030422625
1115a82148006
127912135a01
133a0c474a0b
141d1a64a61b
1510944e5e6a
hex951ffc661

40030422625 has 8 divisors (see below), whose sum is σ = 49957967592. Its totient is φ = 32024338000.

The previous prime is 40030422613. The next prime is 40030422683. The reversal of 40030422625 is 52622403004.

It can be written as a sum of positive squares in 4 ways, for example, as 8981163361 + 31049259264 = 94769^2 + 176208^2 .

It is not a de Polignac number, because 40030422625 - 221 = 40028325473 is a prime.

It is a super-2 number, since 2×400304226252 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40030422593 and 40030422602.

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, 160121566 + ... + 160121815.

It is an arithmetic number, because the mean of its divisors is an integer number (6244745949).

Almost surely, 240030422625 is an apocalyptic number.

It is an amenable number.

40030422625 is a deficient number, since it is larger than the sum of its proper divisors (9927544967).

40030422625 is an equidigital number, since it uses as much as digits as its factorization.

40030422625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320243396 (or 320243386 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 40030422625 its reverse (52622403004), we get a palindrome (92652825629).

The spelling of 40030422625 in words is "forty billion, thirty million, four hundred twenty-two thousand, six hundred twenty-five".

Divisors: 1 5 25 125 320243381 1601216905 8006084525 40030422625