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51585067324 = 2272713706889
BaseRepresentation
bin110000000010101101…
…011010100100111100
311221011001101221020001
4300002231122210330
51321121234123244
635410423004044
73504216560200
oct600255324474
9157131357201
1051585067324
111a97147564a
129bb7899624
134b3127799b
1426d5058b00
15151dae45d4
hexc02b5a93c

51585067324 has 36 divisors (see below), whose sum is σ = 106491535920. Its totient is φ = 21796501440.

The previous prime is 51585067307. The next prime is 51585067349. The reversal of 51585067324 is 42376058515.

It is a super-2 number, since 2×515850673242 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1839529 + ... + 1867360.

It is an arithmetic number, because the mean of its divisors is an integer number (2958098220).

Almost surely, 251585067324 is an apocalyptic number.

It is an amenable number.

51585067324 is an abundant number, since it is smaller than the sum of its proper divisors (54906468596).

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

51585067324 is a wasteful number, since it uses less digits than its factorization.

51585067324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706978 (or 3706969 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 51585067324 in words is "fifty-one billion, five hundred eighty-five million, sixty-seven thousand, three hundred twenty-four".

Divisors: 1 2 4 7 14 28 49 71 98 142 196 284 497 994 1988 3479 6958 13916 3706889 7413778 14827556 25948223 51896446 103792892 181637561 263189119 363275122 526378238 726550244 1052756476 1842323833 3684647666 7369295332 12896266831 25792533662 51585067324