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40630372925 = 521625214917
BaseRepresentation
bin100101110101110000…
…100100101000111101
310212212121012210120212
4211311300210220331
51131202333413200
630355413522205
72635600320512
oct456560445075
9125777183525
1040630372925
111625a8715aa
127a5b043365
133aa6853aac
141d761bd309
1510cc004035
hex975c24a3d

40630372925 has 6 divisors (see below), whose sum is σ = 50381662458. Its totient is φ = 32504298320.

The previous prime is 40630372903. The next prime is 40630372927. The reversal of 40630372925 is 52927303604.

40630372925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 6250167364 + 34380205561 = 79058^2 + 185419^2 .

It is not a de Polignac number, because 40630372925 - 226 = 40563264061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40630372927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 812607434 + ... + 812607483.

It is an arithmetic number, because the mean of its divisors is an integer number (8396943743).

Almost surely, 240630372925 is an apocalyptic number.

It is an amenable number.

40630372925 is a deficient number, since it is larger than the sum of its proper divisors (9751289533).

40630372925 is a wasteful number, since it uses less digits than its factorization.

40630372925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625214927 (or 1625214922 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 40630372925 in words is "forty billion, six hundred thirty million, three hundred seventy-two thousand, nine hundred twenty-five".

Divisors: 1 5 25 1625214917 8126074585 40630372925