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13889517413388 = 22337151120703307
BaseRepresentation
bin1100101000011110011111…
…0000000110010000001100
31211011211021100110001000020
43022013213300012100030
53310031212424212023
645312431201502140
72632325122020051
oct312074760062014
954154240401006
1013889517413388
114475569532071
121683a6b341950
13799a1178ac46
14360383147028
1519147177bde3
hexca1e7c0640c

13889517413388 has 48 divisors (see below), whose sum is σ = 33306819404544. Its totient is φ = 4501726856640.

The previous prime is 13889517413383. The next prime is 13889517413437. The reversal of 13889517413388 is 88331471598831.

It is not an unprimeable number, because it can be changed into a prime (13889517413381) 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, 9680770 + ... + 11022537.

It is an arithmetic number, because the mean of its divisors is an integer number (693892070928).

Almost surely, 213889517413388 is an apocalyptic number.

It is an amenable number.

13889517413388 is an abundant number, since it is smaller than the sum of its proper divisors (19417301991156).

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

13889517413388 is a wasteful number, since it uses less digits than its factorization.

13889517413388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20704862 (or 20704860 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 69.

The spelling of 13889517413388 in words is "thirteen trillion, eight hundred eighty-nine billion, five hundred seventeen million, four hundred thirteen thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 1511 3022 4533 6044 9066 18132 55907 111814 167721 223628 335442 670884 20703307 41406614 62109921 82813228 124219842 248439684 766022359 1532044718 2298067077 3064089436 4596134154 9192268308 31282696877 62565393754 93848090631 125130787508 187696181262 375392362524 1157459784449 2314919568898 3472379353347 4629839137796 6944758706694 13889517413388