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13132224031220 = 225793801600223
BaseRepresentation
bin1011111100011001010110…
…0011000110100111110100
31201111102120021100021011222
42333012111203012213310
53210124243322444340
643532505504245512
72523525516333650
oct277062543064764
951442507307158
1013132224031220
114203388122458
121581143310898
13743495556848
14335862a25a60
1517b8ec8b28b5
hexbf1958c69f4

13132224031220 has 24 divisors (see below), whose sum is σ = 31517337675264. Its totient is φ = 4502476810656.

The previous prime is 13132224031219. The next prime is 13132224031237. The reversal of 13132224031220 is 2213042223131.

It is a self number, because there is not a number n which added to its sum of digits gives 13132224031220.

It is a congruent number.

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, 46900799972 + ... + 46900800251.

It is an arithmetic number, because the mean of its divisors is an integer number (1313222403136).

Almost surely, 213132224031220 is an apocalyptic number.

13132224031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13132224031220 is an abundant number, since it is smaller than the sum of its proper divisors (18385113644044).

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

13132224031220 is a wasteful number, since it uses less digits than its factorization.

13132224031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93801600239 (or 93801600237 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13132224031220 its reverse (2213042223131), we get a palindrome (15345266254351).

The spelling of 13132224031220 in words is "thirteen trillion, one hundred thirty-two billion, two hundred twenty-four million, thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 93801600223 187603200446 375206400892 469008001115 656611201561 938016002230 1313222403122 1876032004460 2626444806244 3283056007805 6566112015610 13132224031220