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40682070481 = 133129390037
BaseRepresentation
bin100101111000110101…
…110010000111010001
310220000012111022022011
4211320311302013101
51131304102223411
630404501542521
72640065615323
oct457065620721
9126005438264
1040682070481
1116286a71758
127a74414a41
133ab4484a70
141d7cdd9613
1510d1816c21
hex978d721d1

40682070481 has 4 divisors (see below), whose sum is σ = 43811460532. Its totient is φ = 37552680432.

The previous prime is 40682070469. The next prime is 40682070581. The reversal of 40682070481 is 18407028604.

40682070481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16108686400 + 24573384081 = 126920^2 + 156759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40682070481 is a prime.

It is a super-2 number, since 2×406820704812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40682070421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1564695006 + ... + 1564695031.

It is an arithmetic number, because the mean of its divisors is an integer number (10952865133).

Almost surely, 240682070481 is an apocalyptic number.

It is an amenable number.

40682070481 is a deficient number, since it is larger than the sum of its proper divisors (3129390051).

40682070481 is a wasteful number, since it uses less digits than its factorization.

40682070481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129390050.

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 40682070481 in words is "forty billion, six hundred eighty-two million, seventy thousand, four hundred eighty-one".

Divisors: 1 13 3129390037 40682070481