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15320394484 = 22237117913103
BaseRepresentation
bin11100100010010101…
…01010101011110100
31110112201000200021221
432101022222223310
5222334010110414
611012121120124
71051440130063
oct162112525364
943481020257
1015320394484
116551a6614a
122b76929044
1315a20379a5
14a549c61da
155ea001224
hex3912aaaf4

15320394484 has 48 divisors (see below), whose sum is σ = 28531077120. Its totient is φ = 7183040480.

The previous prime is 15320394457. The next prime is 15320394517. The reversal of 15320394484 is 48449302351.

15320394484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 15320394484.

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, 1162677 + ... + 1175779.

It is an arithmetic number, because the mean of its divisors is an integer number (594397440).

Almost surely, 215320394484 is an apocalyptic number.

It is an amenable number.

15320394484 is a deficient number, since it is larger than the sum of its proper divisors (13210682636).

15320394484 is a wasteful number, since it uses less digits than its factorization.

15320394484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13380 (or 13378 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 15320394484 in words is "fifteen billion, three hundred twenty million, three hundred ninety-four thousand, four hundred eighty-four".

Divisors: 1 2 4 23 46 71 92 142 179 284 358 716 1633 3266 4117 6532 8234 12709 13103 16468 25418 26206 50836 52412 292307 301369 584614 602738 930313 1169228 1205476 1860626 2345437 3721252 4690874 9381748 21397199 42794398 53945051 85588796 107890102 166526027 215780204 333052054 666104108 3830098621 7660197242 15320394484