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312113202 = 2367776401
BaseRepresentation
bin10010100110100…
…111100000110010
3210202021222211020
4102212213200302
51114400110302
650545400310
710506630012
oct2246474062
9722258736
10312113202
111501a82a5
1288639096
134c87c48b
142d647c42
151c602ebc
hex129a7832

312113202 has 16 divisors (see below), whose sum is σ = 633544032. Its totient is φ = 102484800.

The previous prime is 312113189. The next prime is 312113267. The reversal of 312113202 is 202311213.

Adding to 312113202 its reverse (202311213), we get a palindrome (514424415).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387799 + ... + 388602.

It is an arithmetic number, because the mean of its divisors is an integer number (39596502).

Almost surely, 2312113202 is an apocalyptic number.

312113202 is an abundant number, since it is smaller than the sum of its proper divisors (321430830).

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

312113202 is a wasteful number, since it uses less digits than its factorization.

312113202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776473.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 312113202 is about 17666.7258426682. The cubic root of 312113202 is about 678.3243068717.

The spelling of 312113202 in words is "three hundred twelve million, one hundred thirteen thousand, two hundred two".

Divisors: 1 2 3 6 67 134 201 402 776401 1552802 2329203 4658406 52018867 104037734 156056601 312113202