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51190903970 = 2542431206479
BaseRepresentation
bin101111101011001101…
…110011010010100010
311220010120201100202022
4233223031303102202
51314314332411340
635303342421442
73461362334663
oct575315632242
9156116640668
1051190903970
111a789a26908
129b07891882
134a9a6cac2b
14269897336a
1514e91d53b5
hexbeb3734a2

51190903970 has 16 divisors (see below), whose sum is σ = 92165420160. Its totient is φ = 20471518704.

The previous prime is 51190903961. The next prime is 51190903991. The reversal of 51190903970 is 7930909115.

It is a super-3 number, since 3×511909039703 (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560810 + ... + 645669.

It is an arithmetic number, because the mean of its divisors is an integer number (5760338760).

Almost surely, 251190903970 is an apocalyptic number.

51190903970 is a deficient number, since it is larger than the sum of its proper divisors (40974516190).

51190903970 is a wasteful number, since it uses less digits than its factorization.

51190903970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210729.

The product of its (nonzero) digits is 76545, while the sum is 44.

The spelling of 51190903970 in words is "fifty-one billion, one hundred ninety million, nine hundred three thousand, nine hundred seventy".

Divisors: 1 2 5 10 4243 8486 21215 42430 1206479 2412958 6032395 12064790 5119090397 10238180794 25595451985 51190903970