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101311023113120 = 255636199543137
BaseRepresentation
bin10111000010010001001111…
…100010110110001110100000
3111021201020110101121010222202
4113002101033202312032200
5101234334433404104440
6555245350321552332
730224323411552652
oct2702211742661640
9437636411533882
10101311023113120
112a30a844413407
12b4429087a56a8
13446b785b9b112
141b036a03666d2
15baa4eb2ec615
hex5c244f8b63a0

101311023113120 has 48 divisors (see below), whose sum is σ = 239384921815368. Its totient is φ = 40518038077440.

The previous prime is 101311023113029. The next prime is 101311023113191. The reversal of 101311023113120 is 21311320113101.

It can be written as a sum of positive squares in 4 ways, for example, as 94170177873424 + 7140845239696 = 9704132^2 + 2672236^2 .

It is a super-2 number, since 2×1013110231131202 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101311023113092 and 101311023113101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48753809 + ... + 50789328.

Almost surely, 2101311023113120 is an apocalyptic number.

101311023113120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101311023113120 is an abundant number, since it is smaller than the sum of its proper divisors (138073898702248).

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

101311023113120 is an equidigital number, since it uses as much as digits as its factorization.

101311023113120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99549513 (or 99549505 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 101311023113120 its reverse (21311320113101), we get a palindrome (122622343226221).

The spelling of 101311023113120 in words is "one hundred one trillion, three hundred eleven billion, twenty-three million, one hundred thirteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 6361 12722 25444 31805 50888 63610 101776 127220 203552 254440 508880 1017760 99543137 199086274 398172548 497715685 796345096 995431370 1592690192 1990862740 3185380384 3981725480 7963450960 15926901920 633193894457 1266387788914 2532775577828 3165969472285 5065551155656 6331938944570 10131102311312 12663877889140 20262204622624 25327755778280 50655511556560 101311023113120