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13131520514332 = 22111729573593633
BaseRepresentation
bin1011111100010110101110…
…0111011001100100011100
31201111100202020112220102221
42333011223213121210130
53210121323222424312
643532312013355124
72523502214464213
oct277055347314434
951440666486387
1013131520514332
114203056aa0840
121580b87798aa4
137433b288576c
143357d741407a
1517b8aac48207
hexbf16b9d991c

13131520514332 has 48 divisors (see below), whose sum is σ = 26544871456992. Its totient is φ = 5617563361280.

The previous prime is 13131520514317. The next prime is 13131520514341. The reversal of 13131520514332 is 23341502513131.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 21823788 + ... + 22417420.

It is an arithmetic number, because the mean of its divisors is an integer number (553018155354).

Almost surely, 213131520514332 is an apocalyptic number.

It is an amenable number.

13131520514332 is an abundant number, since it is smaller than the sum of its proper divisors (13413350942660).

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

13131520514332 is a wasteful number, since it uses less digits than its factorization.

13131520514332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623238 (or 623236 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 13131520514332 in words is "thirteen trillion, one hundred thirty-one billion, five hundred twenty million, five hundred fourteen thousand, three hundred thirty-two".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 29573 59146 118292 325303 502741 593633 650606 1005482 1187266 1301212 2010964 2374532 5530151 6529963 10091761 11060302 13059926 20183522 22120604 26119852 40367044 111009371 222018742 444037484 17555508709 35111017418 70222034836 193110595799 298443648053 386221191598 596887296106 772442383196 1193774592212 3282880128583 6565760257166 13131520514332