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50816482145 = 51113181392663
BaseRepresentation
bin101111010100111001…
…011111101101100001
311212011111011202120022
4233110321133231201
51313033004412040
635202245323225
73446164654112
oct572471375541
9155144152508
1050816482145
111a607641190
129a22406515
134a3ac73a60
142660d4a209
1514c63c56b5
hexbd4e5fb61

50816482145 has 32 divisors (see below), whose sum is σ = 72036566784. Its totient is φ = 33925996800.

The previous prime is 50816482133. The next prime is 50816482147. The reversal of 50816482145 is 54128461805.

It is a de Polignac number, because none of the positive numbers 2k-50816482145 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50816482096 and 50816482105.

It is not an unprimeable number, because it can be changed into a prime (50816482147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66917 + ... + 325746.

It is an arithmetic number, because the mean of its divisors is an integer number (2251142712).

Almost surely, 250816482145 is an apocalyptic number.

50816482145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50816482145 is a deficient number, since it is larger than the sum of its proper divisors (21220084639).

50816482145 is a wasteful number, since it uses less digits than its factorization.

50816482145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392873.

The product of its (nonzero) digits is 307200, while the sum is 44.

The spelling of 50816482145 in words is "fifty billion, eight hundred sixteen million, four hundred eighty-two thousand, one hundred forty-five".

Divisors: 1 5 11 13 55 65 143 181 715 905 1991 2353 9955 11765 25883 129415 392663 1963315 4319293 5104619 21596465 25523095 56150809 71072003 280754045 355360015 781792033 923936039 3908960165 4619680195 10163296429 50816482145