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51086518480148 = 2212771629620037
BaseRepresentation
bin10111001110110100000011…
…10010010110110100010100
320200212211020022100212100112
423213122001302112310110
523144000142212331043
6300352453403102152
713521610360213064
oct1347320162266424
9220784208325315
1051086518480148
111530674194a738
125890aab811958
132267590444b68
14c8885a4013a4
155d8d26c96518
hex2e7681c96d14

51086518480148 has 6 divisors (see below), whose sum is σ = 89401407340266. Its totient is φ = 25543259240072.

The previous prime is 51086518480117. The next prime is 51086518480157. The reversal of 51086518480148 is 84108481568015.

51086518480148 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41851738981264 + 9234779498884 = 6469292^2 + 3038878^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6385814810015 + ... + 6385814810022.

It is an arithmetic number, because the mean of its divisors is an integer number (14900234556711).

Almost surely, 251086518480148 is an apocalyptic number.

It is an amenable number.

51086518480148 is a deficient number, since it is larger than the sum of its proper divisors (38314888860118).

51086518480148 is a wasteful number, since it uses less digits than its factorization.

51086518480148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12771629620041 (or 12771629620039 counting only the distinct ones).

The product of its (nonzero) digits is 9830400, while the sum is 59.

The spelling of 51086518480148 in words is "fifty-one trillion, eighty-six billion, five hundred eighteen million, four hundred eighty thousand, one hundred forty-eight".