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50100115431 = 378721219871
BaseRepresentation
bin101110101010001100…
…110001011111100111
311210022120012120011210
4232222030301133213
51310101112143211
635003215202503
73422345645322
oct565214613747
9153276176153
1050100115431
111a27a233283
129862516433
134955723c22
1425d3b517b9
15148356d9a6
hexbaa3317e7

50100115431 has 8 divisors (see below), whose sum is σ = 66885036544. Its totient is φ = 33357635640.

The previous prime is 50100115391. The next prime is 50100115451. The reversal of 50100115431 is 13451100105.

It is a happy number.

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

It is not a de Polignac number, because 50100115431 - 29 = 50100114919 is a prime.

It is a super-2 number, since 2×501001154312 (a number of 22 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 = 50100115398 and 50100115407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50100115451) 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, 10607575 + ... + 10612296.

It is an arithmetic number, because the mean of its divisors is an integer number (8360629568).

Almost surely, 250100115431 is an apocalyptic number.

50100115431 is a deficient number, since it is larger than the sum of its proper divisors (16784921113).

50100115431 is a wasteful number, since it uses less digits than its factorization.

50100115431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21220661.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 50100115431 its reverse (13451100105), we get a palindrome (63551215536).

The spelling of 50100115431 in words is "fifty billion, one hundred million, one hundred fifteen thousand, four hundred thirty-one".

Divisors: 1 3 787 2361 21219871 63659613 16700038477 50100115431