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56974061858 = 2720831953709
BaseRepresentation
bin110101000011111010…
…110011000100100010
312110001121202012222012
4311003322303010202
51413140324434413
642101251512522
74054604351420
oct650372630442
9173047665865
1056974061858
1122187410a3a
12b0605b8742
1354ac89374c
142a86a58110
151736c887a8
hexd43eb3122

56974061858 has 16 divisors (see below), whose sum is σ = 97716759360. Its totient is φ = 24405720336.

The previous prime is 56974061857. The next prime is 56974061863. The reversal of 56974061858 is 85816047965.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56974061797 and 56974061806.

It is not an unprimeable number, because it can be changed into a prime (56974061857) 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, 947693 + ... + 1006016.

It is an arithmetic number, because the mean of its divisors is an integer number (6107297460).

Almost surely, 256974061858 is an apocalyptic number.

56974061858 is a deficient number, since it is larger than the sum of its proper divisors (40742697502).

56974061858 is a wasteful number, since it uses less digits than its factorization.

56974061858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955801.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 56974061858 in words is "fifty-six billion, nine hundred seventy-four million, sixty-one thousand, eight hundred fifty-eight".

Divisors: 1 2 7 14 2083 4166 14581 29162 1953709 3907418 13675963 27351926 4069575847 8139151694 28487030929 56974061858