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130000002312 = 23337473114817
BaseRepresentation
bin111100100010010011…
…0101001110100001000
3110102112220221100210110
41321010212221310020
54112220000033222
6135415435114320
712251343534045
oct1710446516410
9412486840713
10130000002312
1150150680944
12212408a29a0
13c349ba58bb
1464134aa1cc
1535acd6430c
hex1e449a9d08

130000002312 has 64 divisors (see below), whose sum is σ = 340885681920. Its totient is φ = 41265082368.

The previous prime is 130000002311. The next prime is 130000002323. The reversal of 130000002312 is 213200000031.

It is a happy number.

It is a super-2 number, since 2×1300000023122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (130000002311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1515673 + ... + 1599144.

It is an arithmetic number, because the mean of its divisors is an integer number (5326338780).

Almost surely, 2130000002312 is an apocalyptic number.

130000002312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130000002312 is an abundant number, since it is smaller than the sum of its proper divisors (210885679608).

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

130000002312 is a wasteful number, since it uses less digits than its factorization.

130000002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114910 (or 3114906 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 130000002312 its reverse (213200000031), we get a palindrome (343200002343).

The spelling of 130000002312 in words is "one hundred thirty billion, two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 37 47 74 94 111 141 148 188 222 282 296 376 444 564 888 1128 1739 3478 5217 6956 10434 13912 20868 41736 3114817 6229634 9344451 12459268 18688902 24918536 37377804 74755608 115248229 146396399 230496458 292792798 345744687 439189197 460992916 585585596 691489374 878378394 921985832 1171171192 1382978748 1756756788 2765957496 3513513576 5416666763 10833333526 16250000289 21666667052 32500000578 43333334104 65000001156 130000002312