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20131102303130 = 25713148314917121
BaseRepresentation
bin1001001001111001000110…
…01100111010001110011010
32122021111220010120112220102
410210330203030322032122
510114311444142200010
6110452033431255402
74145265324143660
oct444744314721632
978244803515812
1020131102303130
116461609484895
12231166151a562
13b3047c664630
144d84c9ca4c30
1524d9c9887ba5
hex124f2333a39a

20131102303130 has 64 divisors (see below), whose sum is σ = 44628210240768. Its totient is φ = 6366865489920.

The previous prime is 20131102303111. The next prime is 20131102303133. The reversal of 20131102303130 is 3130320113102.

20131102303130 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201311023031302 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20131102303133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6109031 + ... + 8808090.

It is an arithmetic number, because the mean of its divisors is an integer number (697315785012).

Almost surely, 220131102303130 is an apocalyptic number.

20131102303130 is an abundant number, since it is smaller than the sum of its proper divisors (24497107937638).

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

20131102303130 is a wasteful number, since it uses less digits than its factorization.

20131102303130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14918631.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20131102303130 its reverse (3130320113102), we get a palindrome (23261422416232).

The spelling of 20131102303130 in words is "twenty trillion, one hundred thirty-one billion, one hundred two million, three hundred three thousand, one hundred thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 1483 2966 7415 10381 14830 19279 20762 38558 51905 96395 103810 134953 192790 269906 674765 1349530 14917121 29834242 74585605 104419847 149171210 193922573 208839694 387845146 522099235 969612865 1044198470 1357458011 1939225730 2714916022 6787290055 13574580110 22122090443 44244180886 110610452215 154854633101 221220904430 287587175759 309709266202 575174351518 774273165505 1437935878795 1548546331010 2013110230313 2875871757590 4026220460626 10065551151565 20131102303130