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50511006566660 = 22512891959309797
BaseRepresentation
bin10110111110000100000101…
…00110101000100100000100
320121211210201220011111101102
423133002002212220210010
523110033020140113120
6255232234105315232
713432204554523223
oct1337020246504404
9217753656144342
1050511006566660
1115104663429a72
1257b9455a95b18
132225223c57293
14c68a6252acba
155c8d91bccd75
hex2df0829a8904

50511006566660 has 24 divisors (see below), whose sum is σ = 106155404855640. Its totient is φ = 20188728137984.

The previous prime is 50511006566659. The next prime is 50511006566701. The reversal of 50511006566660 is 6666560011505.

It can be written as a sum of positive squares in 4 ways, for example, as 4788499333696 + 45722507232964 = 2188264^2 + 6761842^2 .

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, 979629119 + ... + 979680678.

It is an arithmetic number, because the mean of its divisors is an integer number (4423141868985).

Almost surely, 250511006566660 is an apocalyptic number.

It is an amenable number.

50511006566660 is an abundant number, since it is smaller than the sum of its proper divisors (55644398288980).

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

50511006566660 is a wasteful number, since it uses less digits than its factorization.

50511006566660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959311095 (or 1959311093 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 50511006566660 in words is "fifty trillion, five hundred eleven billion, six million, five hundred sixty-six thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 1289 2578 5156 6445 12890 25780 1959309797 3918619594 7837239188 9796548985 19593097970 39186195940 2525550328333 5051100656666 10102201313332 12627751641665 25255503283330 50511006566660