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30347582472 = 233461767749
BaseRepresentation
bin11100010000110110…
…110101110000001000
32220022222022220220000
4130100312311300020
5444122440114342
621535210003000
72123020123554
oct342066656010
986288286800
1030347582472
1111963467979
125a6b416460
132b283b2abc
14167c686864
15bc93d644c
hex710db5c08

30347582472 has 80 divisors (see below), whose sum is σ = 86394907500. Its totient is φ = 9950014080.

The previous prime is 30347582467. The next prime is 30347582479. The reversal of 30347582472 is 27428574303.

30347582472 is a `hidden beast` number, since 3 + 0 + 34 + 75 + 82 + 472 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19646507556 + 10701074916 = 140166^2 + 103446^2 .

It is not an unprimeable number, because it can be changed into a prime (30347582479) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 344347 + ... + 423402.

Almost surely, 230347582472 is an apocalyptic number.

It is an amenable number.

30347582472 is an abundant number, since it is smaller than the sum of its proper divisors (56047325028).

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

30347582472 is a wasteful number, since it uses less digits than its factorization.

30347582472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767828 (or 767815 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 30347582472 in words is "thirty billion, three hundred forty-seven million, five hundred eighty-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 61 72 81 108 122 162 183 216 244 324 366 488 549 648 732 1098 1464 1647 2196 3294 4392 4941 6588 9882 13176 19764 39528 767749 1535498 2303247 3070996 4606494 6141992 6909741 9212988 13819482 18425976 20729223 27638964 41458446 46832689 55277928 62187669 82916892 93665378 124375338 140498067 165833784 187330756 248750676 280996134 374661512 421494201 497501352 561992268 842988402 1123984536 1264482603 1685976804 2528965206 3371953608 3793447809 5057930412 7586895618 10115860824 15173791236 30347582472