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51130157050 = 2527146086163
BaseRepresentation
bin101111100111100110…
…000100011111111010
311212222100102002122101
4233213212010133322
51314203310011200
635253332414014
73460024110160
oct574746043772
9155870362571
1051130157050
111a758705845
129aab47730a
134a8ac4bccb
14269087d230
1514e3bd626a
hexbe79847fa

51130157050 has 24 divisors (see below), whose sum is σ = 108688106016. Its totient is φ = 17530339440.

The previous prime is 51130157021. The next prime is 51130157063. The reversal of 51130157050 is 5075103115.

It is a super-2 number, since 2×511301570502 (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 11 ways as a sum of consecutive naturals, for example, 73042732 + ... + 73043431.

It is an arithmetic number, because the mean of its divisors is an integer number (4528671084).

Almost surely, 251130157050 is an apocalyptic number.

51130157050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51130157050 is an abundant number, since it is smaller than the sum of its proper divisors (57557948966).

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

51130157050 is a wasteful number, since it uses less digits than its factorization.

51130157050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146086182 (or 146086177 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 28.

The spelling of 51130157050 in words is "fifty-one billion, one hundred thirty million, one hundred fifty-seven thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 146086163 292172326 730430815 1022603141 1460861630 2045206282 3652154075 5113015705 7304308150 10226031410 25565078525 51130157050