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20013101138352 = 2437467312746159
BaseRepresentation
bin1001000110011101010011…
…10010001100000110110000
32121212020022102120021212010
410203032221302030012300
510110343312342411402
6110321520341002520
74133620205612340
oct443165162140660
977766272507763
1020013101138352
116416565941203
1222b280b0b3440
13b222c56073ca
144d28d41d2d20
1524a8c0114a6c
hex1233a9c8c1b0

20013101138352 has 80 divisors (see below), whose sum is σ = 59098947425280. Its totient is φ = 5716804816896.

The previous prime is 20013101138347. The next prime is 20013101138353. The reversal of 20013101138352 is 25383110131002.

It is a super-2 number, since 2×200131011383522 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20013101138353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4802952 + ... + 7943207.

It is an arithmetic number, because the mean of its divisors is an integer number (738736842816).

Almost surely, 220013101138352 is an apocalyptic number.

It is an amenable number.

20013101138352 is an abundant number, since it is smaller than the sum of its proper divisors (39085846286928).

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

20013101138352 is a wasteful number, since it uses less digits than its factorization.

20013101138352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12750850 (or 12750844 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 20013101138352 its reverse (25383110131002), we get a palindrome (45396211269354).

The spelling of 20013101138352 in words is "twenty trillion, thirteen billion, one hundred one million, one hundred thirty-eight thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 4673 9346 14019 18692 28038 32711 37384 56076 65422 74768 98133 112152 130844 196266 224304 261688 392532 523376 785064 1570128 12746159 25492318 38238477 50984636 76476954 89223113 101969272 152953908 178446226 203938544 267669339 305907816 356892452 535338678 611815632 713784904 1070677356 1427569808 2141354712 4282709424 59562801007 119125602014 178688403021 238251204028 357376806042 416939607049 476502408056 714753612084 833879214098 953004816112 1250818821147 1429507224168 1667758428196 2501637642294 2859014448336 3335516856392 5003275284588 6671033712784 10006550569176 20013101138352