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30643314534 = 23272109318743
BaseRepresentation
bin11100100010011110…
…111101111101100110
32221002120210200000100
4130202132331331212
51000224142031114
622024412324530
72133240606300
oct344236757546
987076720010
1030643314534
1111aa5396838
125b32473746
132b747480a1
1416a9a68970
15be5350909
hex7227bdf66

30643314534 has 72 divisors (see below), whose sum is σ = 77942470320. Its totient is φ = 8674882272.

The previous prime is 30643314511. The next prime is 30643314539. The reversal of 30643314534 is 43541334603.

30643314534 is a `hidden beast` number, since 3 + 0 + 643 + 3 + 1 + 4 + 5 + 3 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30643314539) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 63234 + ... + 255509.

It is an arithmetic number, because the mean of its divisors is an integer number (1082534310).

Almost surely, 230643314534 is an apocalyptic number.

30643314534 is an abundant number, since it is smaller than the sum of its proper divisors (47299155786).

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

30643314534 is a wasteful number, since it uses less digits than its factorization.

30643314534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318874 (or 318864 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The spelling of 30643314534 in words is "thirty billion, six hundred forty-three million, three hundred fourteen thousand, five hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 109 126 147 218 294 327 441 654 763 882 981 1526 1962 2289 4578 5341 6867 10682 13734 16023 32046 48069 96138 318743 637486 956229 1912458 2231201 2868687 4462402 5737374 6693603 13387206 15618407 20080809 31236814 34742987 40161618 46855221 69485974 93710442 104228961 140565663 208457922 243200909 281131326 312686883 486401818 625373766 729602727 1459205454 1702406363 2188808181 3404812726 4377616362 5107219089 10214438178 15321657267 30643314534