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50945784661129 = 971393778519963
BaseRepresentation
bin10111001010101101111010…
…11001011100010010001001
320200101100222022212010011011
423211112331121130102021
523134143431333124004
6300204100445003521
713505466015406531
oct1345267531342211
9220340868763134
1050945784661129
1115261a933184a6
1258697742535a1
132257222832437
14c81b095544c1
155d533b922004
hex2e55bd65c489

50945784661129 has 8 divisors (see below), whose sum is σ = 51841293906080. Its totient is φ = 50057832456576.

The previous prime is 50945784661117. The next prime is 50945784661183. The reversal of 50945784661129 is 92116648754905.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50945784661129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50945784671129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1889246499 + ... + 1889273464.

It is an arithmetic number, because the mean of its divisors is an integer number (6480161738260).

Almost surely, 250945784661129 is an apocalyptic number.

It is an amenable number.

50945784661129 is a deficient number, since it is larger than the sum of its proper divisors (895509244951).

50945784661129 is a wasteful number, since it uses less digits than its factorization.

50945784661129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778520199.

The product of its (nonzero) digits is 130636800, while the sum is 67.

The spelling of 50945784661129 in words is "fifty trillion, nine hundred forty-five billion, seven hundred eighty-four million, six hundred sixty-one thousand, one hundred twenty-nine".

Divisors: 1 97 139 13483 3778519963 366516436411 525214274857 50945784661129