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51103742810 = 256791982997
BaseRepresentation
bin101111100110000001…
…010011101101011010
311212220111201010010012
4233212001103231122
51314130024232220
635250550321522
73456253434551
oct574601235532
9155814633105
1051103742810
111a74480439a
129aa26592a2
134a85631193
14268b164d98
1514e1719ac5
hexbe6053b5a

51103742810 has 32 divisors (see below), whose sum is σ = 93462387840. Its totient is φ = 20114246592.

The previous prime is 51103742801. The next prime is 51103742861. The reversal of 51103742810 is 1824730115.

It is a super-2 number, since 2×511037428102 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574232 + ... + 657228.

It is an arithmetic number, because the mean of its divisors is an integer number (2920699620).

Almost surely, 251103742810 is an apocalyptic number.

51103742810 is a deficient number, since it is larger than the sum of its proper divisors (42358645030).

51103742810 is a wasteful number, since it uses less digits than its factorization.

51103742810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83990.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 51103742810 in words is "fifty-one billion, one hundred three million, seven hundred forty-two thousand, eight hundred ten".

Divisors: 1 2 5 10 67 134 335 670 919 1838 4595 9190 61573 82997 123146 165994 307865 414985 615730 829970 5560799 11121598 27803995 55607990 76274243 152548486 381371215 762742430 5110374281 10220748562 25551871405 51103742810