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40761345612 = 22313261290677
BaseRepresentation
bin100101111101100100…
…001100011001001100
310220012201122220100010
4211331210030121030
51131434401024422
630420413033220
72642050502211
oct457544143114
9126181586303
1040761345612
1116317798299
127a96a85810
133ac7a20220
141d89753b08
1510d8775b0c
hex97d90c64c

40761345612 has 24 divisors (see below), whose sum is σ = 102425945776. Its totient is φ = 12541952448.

The previous prime is 40761345571. The next prime is 40761345617. The reversal of 40761345612 is 21654316704.

It is a happy number.

It is a super-2 number, since 2×407613456122 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (40761345617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130645183 + ... + 130645494.

Almost surely, 240761345612 is an apocalyptic number.

It is an amenable number.

40761345612 is an abundant number, since it is smaller than the sum of its proper divisors (61664600164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40761345612 is a wasteful number, since it uses less digits than its factorization.

40761345612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261290697 (or 261290695 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 40761345612 in words is "forty billion, seven hundred sixty-one million, three hundred forty-five thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 261290677 522581354 783872031 1045162708 1567744062 3135488124 3396778801 6793557602 10190336403 13587115204 20380672806 40761345612