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51112770770 = 25191493075881
BaseRepresentation
bin101111100110100011…
…101111110011010010
311212221010200210011002
4233212203233303102
51314134332131040
635251512022002
73456423245255
oct574643576322
9155833623132
1051112770770
111a749910216
129aa5691902
134a87472479
14268c43509c
1514e23eea15
hexbe68efcd2

51112770770 has 64 divisors (see below), whose sum is σ = 97829424000. Its totient is φ = 19173127680.

The previous prime is 51112770739. The next prime is 51112770823. The reversal of 51112770770 is 7707721115.

It is a super-2 number, since 2×511127707702 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8688230 + ... + 8694110.

It is an arithmetic number, because the mean of its divisors is an integer number (1528584750).

Almost surely, 251112770770 is an apocalyptic number.

51112770770 is a deficient number, since it is larger than the sum of its proper divisors (46716653230).

51112770770 is a wasteful number, since it uses less digits than its factorization.

51112770770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363.

The product of its (nonzero) digits is 24010, while the sum is 38.

The spelling of 51112770770 in words is "fifty-one billion, one hundred twelve million, seven hundred seventy thousand, seven hundred seventy".

Divisors: 1 2 5 10 19 38 95 149 190 298 307 614 745 1490 1535 2831 3070 5662 5833 5881 11666 11762 14155 28310 29165 29405 45743 58330 58810 91486 111739 223478 228715 457430 558695 869117 876269 1117390 1738234 1752538 1805467 3610934 4345585 4381345 8691170 8762690 9027335 16649111 18054670 33298222 34303873 68607746 83245555 166491110 171519365 269014583 343038730 538029166 1345072915 2690145830 5111277077 10222554154 25556385385 51112770770