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138107503080 = 233253613106181
BaseRepresentation
bin1000000010011111011…
…0010100000111101000
3111012110221122002000200
42000213312110013220
54230321010044310
6143240135032200
712656301256401
oct2004766240750
9435427562020
10138107503080
11536310a31a8
1222923b0b660
131003c787631
1469821589a8
1538d49e69c0
hex2027d941e8

138107503080 has 96 divisors (see below), whose sum is σ = 448977845160. Its totient is φ = 36818127360.

The previous prime is 138107503067. The next prime is 138107503087. The reversal of 138107503080 is 80305701831.

138107503080 is a `hidden beast` number, since 138 + 10 + 7 + 503 + 0 + 8 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 23231246724 + 114876256356 = 152418^2 + 338934^2 .

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

It is not an unprimeable number, because it can be changed into a prime (138107503087) 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, 1247590 + ... + 1353770.

Almost surely, 2138107503080 is an apocalyptic number.

138107503080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138107503080 is an abundant number, since it is smaller than the sum of its proper divisors (310870342080).

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

138107503080 is a wasteful number, since it uses less digits than its factorization.

138107503080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109811 (or 109804 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 138107503080 in words is "one hundred thirty-eight billion, one hundred seven million, five hundred three thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 3613 7226 10839 14452 18065 21678 28904 32517 36130 43356 54195 65034 72260 86712 106181 108390 130068 144520 162585 212362 216780 260136 318543 325170 424724 433560 530905 637086 650340 849448 955629 1061810 1274172 1300680 1592715 1911258 2123620 2548344 3185430 3822516 4247240 4778145 6370860 7645032 9556290 12741720 19112580 38225160 383631953 767263906 1150895859 1534527812 1918159765 2301791718 3069055624 3452687577 3836319530 4603583436 5754479295 6905375154 7672639060 9207166872 11508958590 13810750308 15345278120 17263437885 23017917180 27621500616 34526875770 46035834360 69053751540 138107503080