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50011108691053 = 61781055281509
BaseRepresentation
bin10110101111100000111100…
…10111100100110001101101
320120002000102011010020110211
423113300132113210301231
523023340222311103203
6254210441451102421
713351116615634366
oct1327603627446155
9216060364106424
1050011108691053
1114a316570840a4
1257385a3141a11
1321ba048014c53
14c4c79caccb6d
155bad8501dc6d
hex2d7c1e5e4c6d

50011108691053 has 4 divisors (see below), whose sum is σ = 50092163973180. Its totient is φ = 49930053408928.

The previous prime is 50011108691041. The next prime is 50011108691101. The reversal of 50011108691053 is 35019680111005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 505559394729 + 49505549296324 = 711027^2 + 7036018^2 .

It is a cyclic number.

It is not a de Polignac number, because 50011108691053 - 25 = 50011108691021 is a prime.

It is a super-2 number, since 2×500111086910532 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50011108690997 and 50011108691015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50011108611053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40527640138 + ... + 40527641371.

It is an arithmetic number, because the mean of its divisors is an integer number (12523040993295).

Almost surely, 250011108691053 is an apocalyptic number.

It is an amenable number.

50011108691053 is a deficient number, since it is larger than the sum of its proper divisors (81055282127).

50011108691053 is an equidigital number, since it uses as much as digits as its factorization.

50011108691053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81055282126.

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 50011108691053 in words is "fifty trillion, eleven billion, one hundred eight million, six hundred ninety-one thousand, fifty-three".

Divisors: 1 617 81055281509 50011108691053