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30645294936 = 23317531417189
BaseRepresentation
bin11100100010100110…
…100001011101011000
32221002201112021121120
4130202212201131120
51000230143414221
622024523005240
72133263465124
oct344246413530
987081467546
1030645294936
1111aa6519733
125b33069820
132b74c8c619
1416aa022584
15be55e25c6
hex7229a1758

30645294936 has 64 divisors (see below), whose sum is σ = 82650520800. Its totient is φ = 9432803328.

The previous prime is 30645294907. The next prime is 30645294947. The reversal of 30645294936 is 63949254603.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 686971 + ... + 730218.

Almost surely, 230645294936 is an apocalyptic number.

It is an amenable number.

30645294936 is an abundant number, since it is smaller than the sum of its proper divisors (52005225864).

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

30645294936 is a wasteful number, since it uses less digits than its factorization.

30645294936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417268 (or 1417264 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 51.

The spelling of 30645294936 in words is "thirty billion, six hundred forty-five million, two hundred ninety-four thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 53 68 102 106 136 159 204 212 318 408 424 636 901 1272 1802 2703 3604 5406 7208 10812 21624 1417189 2834378 4251567 5668756 8503134 11337512 17006268 24092213 34012536 48184426 72276639 75111017 96368852 144553278 150222034 192737704 225333051 289106556 300444068 450666102 578213112 600888136 901332204 1276887289 1802664408 2553774578 3830661867 5107549156 7661323734 10215098312 15322647468 30645294936