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13132101312220 = 2251167788170413
BaseRepresentation
bin1011111100011000111000…
…1110111101111011011100
31201111102020201102111100211
42333012032032331323130
53210124020413442340
643532445402102204
72523522466256422
oct277061616757334
951442221374324
1013132101312220
1142033249238a0
12158110a1aa964
13743475cba157
143358505dd112
1517b8e1c215ea
hexbf18e3bdedc

13132101312220 has 48 divisors (see below), whose sum is σ = 30128888508768. Its totient is φ = 4768255880960.

The previous prime is 13132101312173. The next prime is 13132101312397. The reversal of 13132101312220 is 2221310123131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 13132101312191 and 13132101312200.

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, 43936267 + ... + 44234146.

It is an arithmetic number, because the mean of its divisors is an integer number (627685177266).

Almost surely, 213132101312220 is an apocalyptic number.

13132101312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13132101312220 is an abundant number, since it is smaller than the sum of its proper divisors (16996787196548).

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

13132101312220 is a wasteful number, since it uses less digits than its factorization.

13132101312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88171110 (or 88171108 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13132101312220 its reverse (2221310123131), we get a palindrome (15353411435351).

The spelling of 13132101312220 in words is "thirteen trillion, one hundred thirty-two billion, one hundred one million, three hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 677 1354 2708 3385 6770 7447 13540 14894 29788 37235 74470 148940 88170413 176340826 352681652 440852065 881704130 969874543 1763408260 1939749086 3879498172 4849372715 9698745430 19397490860 59691369601 119382739202 238765478404 298456848005 596913696010 656605065611 1193827392020 1313210131222 2626420262444 3283025328055 6566050656110 13132101312220