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138510228960 = 2533532062553
BaseRepresentation
bin1000000011111111011…
…0100101110111100000
3111020112000102200002000
42000333312211313200
54232132104311320
6143344122524000
713002261343335
oct2007766456740
9436460380060
10138510228960
1153818460104
1222a16966600
13100a504187c
1469bd82c98c
15390a047c90
hex203fda5de0

138510228960 has 96 divisors (see below), whose sum is σ = 484785816480. Its totient is φ = 36936059904.

The previous prime is 138510228949. The next prime is 138510228971. The reversal of 138510228960 is 69822015831.

138510228960 is a `hidden beast` number, since 1 + 38 + 510 + 22 + 89 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (138510228949) and next prime (138510228971).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 16026957 + ... + 16035596.

It is an arithmetic number, because the mean of its divisors is an integer number (5049852255).

Almost surely, 2138510228960 is an apocalyptic number.

138510228960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138510228960 is an abundant number, since it is smaller than the sum of its proper divisors (346275587520).

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

138510228960 is a wasteful number, since it uses less digits than its factorization.

138510228960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32062577 (or 32062563 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 138510228960 in words is "one hundred thirty-eight billion, five hundred ten million, two hundred twenty-eight thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 90 96 108 120 135 144 160 180 216 240 270 288 360 432 480 540 720 864 1080 1440 2160 4320 32062553 64125106 96187659 128250212 160312765 192375318 256500424 288562977 320625530 384750636 480938295 513000848 577125954 641251060 769501272 865688931 961876590 1026001696 1154251908 1282502120 1442814885 1539002544 1731377862 1923753180 2308503816 2565004240 2885629770 3078005088 3462755724 3847506360 4328444655 4617007632 5130008480 5771259540 6925511448 7695012720 8656889310 9234015264 11542519080 13851022896 15390025440 17313778620 23085038160 27702045792 34627557240 46170076320 69255114480 138510228960