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312113080 = 23529269063
BaseRepresentation
bin10010100110100…
…111011110111000
3210202021222122201
4102212213132320
51114400104310
650545355544
710506626446
oct2246473670
9722258581
10312113080
111501a81a4
1288638bb4
134c87c3c6
142d647b96
151c602e3a
hex129a77b8

312113080 has 32 divisors (see below), whose sum is σ = 726472800. Its totient is φ = 120539776.

The previous prime is 312113077. The next prime is 312113083. The reversal of 312113080 is 80311213.

It is an interprime number because it is at equal distance from previous prime (312113077) and next prime (312113083).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312113083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133372 + ... + 135691.

It is an arithmetic number, because the mean of its divisors is an integer number (22702275).

Almost surely, 2312113080 is an apocalyptic number.

It is an amenable number.

312113080 is an abundant number, since it is smaller than the sum of its proper divisors (414359720).

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

312113080 is a wasteful number, since it uses less digits than its factorization.

312113080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269103 (or 269099 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 312113080 is about 17666.7223898492. The cubic root of 312113080 is about 678.3242184897.

Adding to 312113080 its reverse (80311213), we get a palindrome (392424293).

The spelling of 312113080 in words is "three hundred twelve million, one hundred thirteen thousand, eighty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 269063 538126 1076252 1345315 2152504 2690630 5381260 7802827 10762520 15605654 31211308 39014135 62422616 78028270 156056540 312113080