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13213103132220 = 2235234319939823
BaseRepresentation
bin1100000001000110101001…
…0100011000111000111100
31201210011022212122022001020
43000101222110120320330
53212440413400212340
644034003224144140
72532421004342145
oct300215224307074
951704285568036
1013213103132220
114234711287092
121594955608050
1374acb4848664
1433973643aacc
1517da831309d0
hexc046a518e3c

13213103132220 has 48 divisors (see below), whose sum is σ = 36996886026240. Its totient is φ = 3523475382336.

The previous prime is 13213103132197. The next prime is 13213103132303. The reversal of 13213103132220 is 2223130131231.

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, 13589229 + ... + 14529051.

It is an arithmetic number, because the mean of its divisors is an integer number (770768458880).

Almost surely, 213213103132220 is an apocalyptic number.

13213103132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213103132220 is an abundant number, since it is smaller than the sum of its proper divisors (23783782894020).

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

13213103132220 is a wasteful number, since it uses less digits than its factorization.

13213103132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174154 (or 1174152 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13213103132220 its reverse (2223130131231), we get a palindrome (15436233263451).

The spelling of 13213103132220 in words is "thirteen trillion, two hundred thirteen billion, one hundred three million, one hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 234319 468638 702957 937276 939823 1171595 1405914 1879646 2343190 2811828 2819469 3514785 3759292 4686380 4699115 5638938 7029570 9398230 11277876 14059140 14097345 18796460 28194690 56389380 220218385537 440436771074 660655156611 880873542148 1101091927685 1321310313222 2202183855370 2642620626444 3303275783055 4404367710740 6606551566110 13213103132220