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30352077438 = 2343157749323
BaseRepresentation
bin11100010001000111…
…111111001001111110
32220100021210021211020
4130101013333021332
5444130112434223
621535450205010
72123103254454
oct342107771176
986307707736
1030352077438
1111965a58021
125a70a23766
132b292c7a47
14167d0d69d4
15bc99c31e3
hex7111ff27e

30352077438 has 32 divisors (see below), whose sum is σ = 62511605376. Its totient is φ = 9819115488.

The previous prime is 30352077373. The next prime is 30352077473. The reversal of 30352077438 is 83477025303.

It is a self number, because there is not a number n which added to its sum of digits gives 30352077438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334156 + ... + 415167.

It is an arithmetic number, because the mean of its divisors is an integer number (1953487668).

Almost surely, 230352077438 is an apocalyptic number.

30352077438 is an abundant number, since it is smaller than the sum of its proper divisors (32159527938).

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

30352077438 is a wasteful number, since it uses less digits than its factorization.

30352077438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749528.

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 30352077438 in words is "thirty billion, three hundred fifty-two million, seventy-seven thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 43 86 129 157 258 314 471 942 6751 13502 20253 40506 749323 1498646 2247969 4495938 32220889 64441778 96662667 117643711 193325334 235287422 352931133 705862266 5058679573 10117359146 15176038719 30352077438