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1313302121012 = 227713971664017
BaseRepresentation
bin10011000111000110111…
…010000000101000110100
311122112212021122012210202
4103013012322000220310
5133004120320333022
62443153410140032
7163611564561320
oct23070672005064
94575767565722
101313302121012
11466a7189a632
1219263a281618
1396ac7c5a46b
14477c80ba980
1524266b54592
hex131c6e80a34

1313302121012 has 48 divisors (see below), whose sum is σ = 2670309589248. Its totient is φ = 553518282240.

The previous prime is 1313302120981. The next prime is 1313302121039. The reversal of 1313302121012 is 2101212033131.

It is a happy number.

It is a super-2 number, since 2×13133021210122 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42773 + ... + 1621244.

It is an arithmetic number, because the mean of its divisors is an integer number (55631449776).

Almost surely, 21313302121012 is an apocalyptic number.

It is an amenable number.

1313302121012 is an abundant number, since it is smaller than the sum of its proper divisors (1357007468236).

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

1313302121012 is a wasteful number, since it uses less digits than its factorization.

1313302121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664496 (or 1664494 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1313302121012 its reverse (2101212033131), we get a palindrome (3414514154143).

The spelling of 1313302121012 in words is "one trillion, three hundred thirteen billion, three hundred two million, one hundred twenty-one thousand, twelve".

Divisors: 1 2 4 7 14 28 71 142 284 397 497 794 994 1588 1988 2779 5558 11116 28187 56374 112748 197309 394618 789236 1664017 3328034 6656068 11648119 23296238 46592476 118145207 236290414 472580828 660614749 827016449 1321229498 1654032898 2642458996 3308065796 4624303243 9248606486 18497212972 46903647179 93807294358 187614588716 328325530253 656651060506 1313302121012