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40790748961 = 713779152029
BaseRepresentation
bin100101111111010100…
…010110111100100001
310220021202222202011001
4211333110112330201
51132014412431321
630423343152001
72642555434234
oct457724267441
9126252882131
1040790748961
1116332350486
127aa48a5601
133b00b46761
141d8d60941b
1510db132c91
hex97f516f21

40790748961 has 8 divisors (see below), whose sum is σ = 41376484800. Its totient is φ = 40205324880.

The previous prime is 40790748949. The next prime is 40790748989. The reversal of 40790748961 is 16984709704.

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

It is a cyclic number.

It is not a de Polignac number, because 40790748961 - 231 = 38643265313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40790748461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192295 + ... + 344323.

It is an arithmetic number, because the mean of its divisors is an integer number (5172060600).

Almost surely, 240790748961 is an apocalyptic number.

It is an amenable number.

40790748961 is a deficient number, since it is larger than the sum of its proper divisors (585735839).

40790748961 is a wasteful number, since it uses less digits than its factorization.

40790748961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155879.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 40790748961 in words is "forty billion, seven hundred ninety million, seven hundred forty-eight thousand, nine hundred sixty-one".

Divisors: 1 71 3779 152029 268309 10794059 574517591 40790748961