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312126664 = 231715115199
BaseRepresentation
bin10010100110101…
…010110011001000
3210202022200021211
4102212222303020
51114401023124
650545542504
710510014163
oct2246526310
9722280254
10312126664
11150207423
1288644a34
134c885645
142d64cada
151c606e94
hex129aacc8

312126664 has 32 divisors (see below), whose sum is σ = 623808000. Its totient is φ = 145900800.

The previous prime is 312126653. The next prime is 312126667. The reversal of 312126664 is 466621213.

It is not an unprimeable number, because it can be changed into a prime (312126667) by changing a digit.

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, 12937 + ... + 28135.

It is an arithmetic number, because the mean of its divisors is an integer number (19494000).

Almost surely, 2312126664 is an apocalyptic number.

312126664 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

312126664 is a deficient number, since it is larger than the sum of its proper divisors (311681336).

312126664 is a wasteful number, since it uses less digits than its factorization.

312126664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15373 (or 15369 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 312126664 is about 17667.1068372838. The cubic root of 312126664 is about 678.3340591779.

Adding to 312126664 its reverse (466621213), we get a palindrome (778747877).

The spelling of 312126664 in words is "three hundred twelve million, one hundred twenty-six thousand, six hundred sixty-four".

Divisors: 1 2 4 8 17 34 68 136 151 302 604 1208 2567 5134 10268 15199 20536 30398 60796 121592 258383 516766 1033532 2067064 2295049 4590098 9180196 18360392 39015833 78031666 156063332 312126664