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30356640632 = 23193149113121
BaseRepresentation
bin11100010001011001…
…011001001101111000
32220100121101010100102
4130101121121031320
5444132300000012
621540132054532
72123160121313
oct342131311570
986317333312
1030356640632
111196859445a
125a72464448
132b2a234a66
14167d96397a
15bca0c52c2
hex711659378

30356640632 has 64 divisors (see below), whose sum is σ = 61977830400. Its totient is φ = 13886208000.

The previous prime is 30356640569. The next prime is 30356640659. The reversal of 30356640632 is 23604665303.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2307032 + ... + 2320152.

It is an arithmetic number, because the mean of its divisors is an integer number (968403600).

Almost surely, 230356640632 is an apocalyptic number.

It is an amenable number.

30356640632 is an abundant number, since it is smaller than the sum of its proper divisors (31621189768).

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

30356640632 is a wasteful number, since it uses less digits than its factorization.

30356640632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13668 (or 13664 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 30356640632 in words is "thirty billion, three hundred fifty-six million, six hundred forty thousand, six hundred thirty-two".

Divisors: 1 2 4 8 19 31 38 62 76 124 152 248 491 589 982 1178 1964 2356 3928 4712 9329 13121 15221 18658 26242 30442 37316 52484 60884 74632 104968 121768 249299 289199 406751 498598 578398 813502 997196 1156796 1627004 1994392 2313592 3254008 6442411 7728269 12884822 15456538 25769644 30913076 51539288 61826152 122405809 199714741 244811618 399429482 489623236 798858964 979246472 1597717928 3794580079 7589160158 15178320316 30356640632