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50121622001 = 1121137614817
BaseRepresentation
bin101110101011011110…
…110100000111110001
311210101001200012122102
4232223132310013301
51310122113401001
635005304150145
73423026520563
oct565336640761
9153331605572
1050121622001
111a290392500
129869768355
13495a013cc9
1425d694d333
1514853bae6b
hexbab7b41f1

50121622001 has 24 divisors (see below), whose sum is σ = 55664493192. Its totient is φ = 45093171200.

The previous prime is 50121621973. The next prime is 50121622009. The reversal of 50121622001 is 10022612105.

It can be written as a sum of positive squares in 4 ways, for example, as 13238803600 + 36882818401 = 115060^2 + 192049^2 .

It is a de Polignac number, because none of the positive numbers 2k-50121622001 is a prime.

It is a super-2 number, since 2×501216220012 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50121622009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10402745 + ... + 10407561.

It is an arithmetic number, because the mean of its divisors is an integer number (2319353883).

Almost surely, 250121622001 is an apocalyptic number.

It is an amenable number.

50121622001 is a deficient number, since it is larger than the sum of its proper divisors (5542871191).

50121622001 is a wasteful number, since it uses less digits than its factorization.

50121622001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5713 (or 5702 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The spelling of 50121622001 in words is "fifty billion, one hundred twenty-one million, six hundred twenty-two thousand, one".

Divisors: 1 11 113 121 761 1243 4817 8371 13673 52987 85993 92081 544321 582857 945923 3665737 5987531 10405153 40323107 65862841 414228281 443554177 4556511091 50121622001