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103323131323220 = 2255166156566161
BaseRepresentation
bin10111011111100011001010…
…100010100010001101010100
3111112211121001200011210122202
4113133203022202202031110
5102020321233104320340
61003425554035544032
730522564341263064
oct2737431242421524
9445747050153582
10103323131323220
112aa161040046a6
12b70886b75b018
134586438b23743
141b72c1ad613a4
15be2a122c2c15
hex5df8ca8a2354

103323131323220 has 12 divisors (see below), whose sum is σ = 216978575778804. Its totient is φ = 41329252529280.

The previous prime is 103323131323211. The next prime is 103323131323297. The reversal of 103323131323220 is 22323131323301.

It can be written as a sum of positive squares in 2 ways, for example, as 79865750791696 + 23457380531524 = 8936764^2 + 4843282^2 .

It is a super-4 number, since 4×1033231313232204 (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2583078283061 + ... + 2583078283100.

It is an arithmetic number, because the mean of its divisors is an integer number (18081547981567).

Almost surely, 2103323131323220 is an apocalyptic number.

103323131323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103323131323220 is an abundant number, since it is smaller than the sum of its proper divisors (113655444455584).

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

103323131323220 is a wasteful number, since it uses less digits than its factorization.

103323131323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166156566170 (or 5166156566168 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 103323131323220 its reverse (22323131323301), we get a palindrome (125646262646521).

The spelling of 103323131323220 in words is "one hundred three trillion, three hundred twenty-three billion, one hundred thirty-one million, three hundred twenty-three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5166156566161 10332313132322 20664626264644 25830782830805 51661565661610 103323131323220