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103011031101312 = 273289419297831
BaseRepresentation
bin10111011011000000011111…
…111010101010111110000000
3111111201202110212112210221200
4113123000133322222332000
5102000213042430220222
61003030340413021200
730461205244205505
oct2733003772527600
9444652425483850
10103011031101312
112a905807623604
12b678289a84800
134562b8b16c819
141b61a90b934ac
15bd9847697eac
hex5db01feaaf80

103011031101312 has 48 divisors (see below), whose sum is σ = 296424972313080. Its totient is φ = 34337010366720.

The previous prime is 103011031101287. The next prime is 103011031101409. The reversal of 103011031101312 is 213101130110301.

103011031101312 is a `hidden beast` number, since 1 + 0 + 30 + 1 + 10 + 311 + 0 + 1 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1030110311013122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44709647764 + ... + 44709650067.

Almost surely, 2103011031101312 is an apocalyptic number.

103011031101312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103011031101312 is an abundant number, since it is smaller than the sum of its proper divisors (193413941211768).

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

103011031101312 is an equidigital number, since it uses as much as digits as its factorization.

103011031101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89419297851 (or 89419297836 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 103011031101312 its reverse (213101130110301), we get a palindrome (316112161211613).

The spelling of 103011031101312 in words is "one hundred three trillion, eleven billion, thirty-one million, one hundred one thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 288 384 576 1152 89419297831 178838595662 268257893493 357677191324 536515786986 715354382648 804773680479 1073031573972 1430708765296 1609547360958 2146063147944 2861417530592 3219094721916 4292126295888 5722835061184 6438189443832 8584252591776 11445670122368 12876378887664 17168505183552 25752757775328 34337010367104 51505515550656 103011031101312