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51086118745510 = 2537115313764167
BaseRepresentation
bin10111001110110011010011…
…11101011111010110100110
320200212210012110012020111221
423213121221331133112212
523143443332344324020
6300352350003250554
713521564434425012
oct1347315175372646
9220783173166457
1051086118745510
1115306557246132
1258909b9979a5a
1322675286972a4
14c8881d2a9542
155d8d01b366aa
hex2e7669f5f5a6

51086118745510 has 16 divisors (see below), whose sum is σ = 91955268177696. Its totient is φ = 20434390956928.

The previous prime is 51086118745457. The next prime is 51086118745523. The reversal of 51086118745510 is 1554781168015.

It is a super-2 number, since 2×510861187455102 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3170554 + ... + 10593613.

It is an arithmetic number, because the mean of its divisors is an integer number (5747204261106).

Almost surely, 251086118745510 is an apocalyptic number.

51086118745510 is a deficient number, since it is larger than the sum of its proper divisors (40869149432186).

51086118745510 is a wasteful number, since it uses less digits than its factorization.

51086118745510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14135327.

The product of its (nonzero) digits is 1344000, while the sum is 52.

The spelling of 51086118745510 in words is "fifty-one trillion, eighty-six billion, one hundred eighteen million, seven hundred forty-five thousand, five hundred ten".

Divisors: 1 2 5 10 371153 742306 1855765 3711530 13764167 27528334 68820835 137641670 5108611874551 10217223749102 25543059372755 51086118745510