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312033200130 = 2345661582793
BaseRepresentation
bin1001000101001101010…
…00001100100000000010
31002211102010111221010000
410202212220030200002
520103020444401010
6355202430220430
731354321303431
oct4424650144002
91084363457100
10312033200130
111103726746a3
1250583354716
1323569b18b82
1411161323118
1581b3cdb7c0
hex48a6a0c802

312033200130 has 80 divisors (see below), whose sum is σ = 840293369784. Its totient is φ = 83082827520.

The previous prime is 312033200111. The next prime is 312033200161. The reversal of 312033200130 is 31002330213.

312033200130 is a `hidden beast` number, since 312 + 0 + 3 + 320 + 0 + 1 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 284672401209 + 27360798921 = 533547^2 + 165411^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 244014 + ... + 826806.

Almost surely, 2312033200130 is an apocalyptic number.

312033200130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 312033200130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420146684892).

312033200130 is an abundant number, since it is smaller than the sum of its proper divisors (528260169654).

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

312033200130 is a wasteful number, since it uses less digits than its factorization.

312033200130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583473 (or 583464 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 312033200130 its reverse (31002330213), we get a palindrome (343035530343).

The spelling of 312033200130 in words is "three hundred twelve billion, thirty-three million, two hundred thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 661 810 1322 1983 3305 3966 5949 6610 9915 11898 17847 19830 29745 35694 53541 59490 89235 107082 178470 267705 535410 582793 1165586 1748379 2913965 3496758 5245137 5827930 8741895 10490274 15735411 17483790 26225685 31470822 47206233 52451370 78677055 94412466 157354110 236031165 385226173 472062330 770452346 1155678519 1926130865 2311357038 3467035557 3852261730 5778392595 6934071114 10401106671 11556785190 17335177785 20802213342 31203320013 34670355570 52005533355 62406640026 104011066710 156016600065 312033200130