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51425777074 = 2719251770239
BaseRepresentation
bin101111111001001101…
…110001010110110010
311220201221200011002011
4233321031301112302
51320304444331244
635342532513134
73500243615140
oct577115612662
9156657604064
1051425777074
111a89a568511
129b7247b7aa
134b072752b9
1426bbc32590
15150eb2c434
hexbf93715b2

51425777074 has 32 divisors (see below), whose sum is σ = 93168230400. Its totient is φ = 20796426000.

The previous prime is 51425776999. The next prime is 51425777099. The reversal of 51425777074 is 47077752415.

It is a super-2 number, since 2×514257770742 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318354 + ... + 451885.

It is an arithmetic number, because the mean of its divisors is an integer number (2911507200).

Almost surely, 251425777074 is an apocalyptic number.

51425777074 is a deficient number, since it is larger than the sum of its proper divisors (41742453326).

51425777074 is a wasteful number, since it uses less digits than its factorization.

51425777074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770518.

The product of its (nonzero) digits is 1920800, while the sum is 49.

The spelling of 51425777074 in words is "fifty-one billion, four hundred twenty-five million, seven hundred seventy-seven thousand, seventy-four".

Divisors: 1 2 7 14 19 38 133 251 266 502 1757 3514 4769 9538 33383 66766 770239 1540478 5391673 10783346 14634541 29269082 102441787 193329989 204883574 386659978 1353309923 2706619846 3673269791 7346539582 25712888537 51425777074