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12930049404 = 22321967282143
BaseRepresentation
bin11000000101011000…
…01110010101111100
31020101010011120021200
430002230032111330
5202440043040104
65535011455500
7635263415016
oct140254162574
936333146250
1012930049404
115535748548
12260a2b7590
1312b0a4c80c
148a935b1b6
1550a235b39
hex302b0e57c

12930049404 has 72 divisors (see below), whose sum is σ = 34918141440. Its totient is φ = 4022216352.

The previous prime is 12930049399. The next prime is 12930049409. The reversal of 12930049404 is 40494003921.

It is an interprime number because it is at equal distance from previous prime (12930049399) and next prime (12930049409).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12930049409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95244 + ... + 186899.

Almost surely, 212930049404 is an apocalyptic number.

It is an amenable number.

12930049404 is an abundant number, since it is smaller than the sum of its proper divisors (21988092036).

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

12930049404 is a wasteful number, since it uses less digits than its factorization.

12930049404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282239 (or 282234 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 12930049404 in words is "twelve billion, nine hundred thirty million, forty-nine thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 67 76 114 134 171 201 228 268 342 402 603 684 804 1206 1273 2412 2546 3819 5092 7638 11457 15276 22914 45828 282143 564286 846429 1128572 1692858 2539287 3385716 5078574 5360717 10157148 10721434 16082151 18903581 21442868 32164302 37807162 48246453 56710743 64328604 75614324 96492906 113421486 170132229 192985812 226842972 340264458 359168039 680528916 718336078 1077504117 1436672156 2155008234 3232512351 4310016468 6465024702 12930049404