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30493727694 = 234434377509
BaseRepresentation
bin11100011001100100…
…010101101111001110
32220201011022212110000
4130121210111233032
5444422343241234
622001510225130
72126443260123
oct343144255716
986634285400
1030493727694
1111a28a06a51
125ab03551a6
132b4c762271
141693c4a74a
15bd7153899
hex719915bce

30493727694 has 40 divisors (see below), whose sum is σ = 69917589720. Its totient is φ = 9928188144.

The previous prime is 30493727653. The next prime is 30493727717. The reversal of 30493727694 is 49672739403.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 30493727694.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2181789 + ... + 2195720.

It is an arithmetic number, because the mean of its divisors is an integer number (1747939743).

Almost surely, 230493727694 is an apocalyptic number.

30493727694 is an abundant number, since it is smaller than the sum of its proper divisors (39423862026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30493727694 is a wasteful number, since it uses less digits than its factorization.

30493727694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377566 (or 4377557 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 54.

The spelling of 30493727694 in words is "thirty billion, four hundred ninety-three million, seven hundred twenty-seven thousand, six hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 43 54 81 86 129 162 258 387 774 1161 2322 3483 6966 4377509 8755018 13132527 26265054 39397581 78795162 118192743 188232887 236385486 354578229 376465774 564698661 709156458 1129397322 1694095983 3388191966 5082287949 10164575898 15246863847 30493727694