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30799451516 = 22192777145933
BaseRepresentation
bin11100101011110010…
…100101010101111100
32221111110121020200112
4130223302211111330
51001034124422031
622052111045152
72140145006201
oct345362452574
987443536615
1030799451516
111207553a869
125b768107b8
132b9abb5432
1416c26adca8
15c03de362b
hex72bca557c

30799451516 has 24 divisors (see below), whose sum is σ = 56756651280. Its totient is φ = 14583860352.

The previous prime is 30799451491. The next prime is 30799451521. The reversal of 30799451516 is 61515499703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138086 + ... + 284018.

It is an arithmetic number, because the mean of its divisors is an integer number (2364860470).

Almost surely, 230799451516 is an apocalyptic number.

It is an amenable number.

30799451516 is a deficient number, since it is larger than the sum of its proper divisors (25957199764).

30799451516 is a wasteful number, since it uses less digits than its factorization.

30799451516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148733 (or 148731 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 50.

The spelling of 30799451516 in words is "thirty billion, seven hundred ninety-nine million, four hundred fifty-one thousand, five hundred sixteen".

Divisors: 1 2 4 19 38 76 2777 5554 11108 52763 105526 145933 211052 291866 583732 2772727 5545454 11090908 405255941 810511882 1621023764 7699862879 15399725758 30799451516