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39746895970 = 253974689597
BaseRepresentation
bin100101000001000110…
…011000000001100010
310210121000210112001011
4211001012120001202
51122400201132340
630132013531134
72604652020115
oct450106300142
9123530715034
1039746895970
11159470a5261
1278531a3aaa
1339957c4072
141cd0b2457c
15107968d0ea
hex941198062

39746895970 has 8 divisors (see below), whose sum is σ = 71544412764. Its totient is φ = 15898758384.

The previous prime is 39746895941. The next prime is 39746895973. The reversal of 39746895970 is 7959864793.

It can be written as a sum of positive squares in 2 ways, for example, as 33343855609 + 6403040361 = 182603^2 + 80019^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 39746895896 and 39746895905.

It is not an unprimeable number, because it can be changed into a prime (39746895973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987344789 + ... + 1987344808.

Almost surely, 239746895970 is an apocalyptic number.

39746895970 is a deficient number, since it is larger than the sum of its proper divisors (31797516794).

39746895970 is a wasteful number, since it uses less digits than its factorization.

39746895970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974689604.

The product of its (nonzero) digits is 102876480, while the sum is 67.

The spelling of 39746895970 in words is "thirty-nine billion, seven hundred forty-six million, eight hundred ninety-five thousand, nine hundred seventy".

Divisors: 1 2 5 10 3974689597 7949379194 19873447985 39746895970