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15172428842382 = 2372315706448077
BaseRepresentation
bin1101110011001001101100…
…1110110100010110001110
31222201110200122122010202010
43130302123032310112032
53442041113240424012
652134041222042050
73124112634155640
oct334623316642616
958643618563663
1015172428842382
11491a65559a9a9
121850627879326
138609a54205b6
143a64c6d58890
151b4a0a331c3c
hexdcc9b3b458e

15172428842382 has 32 divisors (see below), whose sum is σ = 36187656371712. Its totient is φ = 4146502292064.

The previous prime is 15172428842323. The next prime is 15172428842387. The reversal of 15172428842382 is 28324882427151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15172428842387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7853223073 + ... + 7853225004.

It is an arithmetic number, because the mean of its divisors is an integer number (1130864261616).

Almost surely, 215172428842382 is an apocalyptic number.

15172428842382 is an abundant number, since it is smaller than the sum of its proper divisors (21015227529330).

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

15172428842382 is a wasteful number, since it uses less digits than its factorization.

15172428842382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15706448112.

The product of its digits is 13762560, while the sum is 57.

The spelling of 15172428842382 in words is "fifteen trillion, one hundred seventy-two billion, four hundred twenty-eight million, eight hundred forty-two thousand, three hundred eighty-two".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 15706448077 31412896154 47119344231 94238688462 109945136539 219890273078 329835409617 361248305771 659670819234 722496611542 1083744917313 2167489834626 2528738140397 5057476280794 7586214421191 15172428842382