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312110123142 = 23232818048639
BaseRepresentation
bin1001000101010110011…
…01101000100010000110
31002211121111021000122110
410202223031220202012
520103200142420032
6355214215041450
731356244162656
oct4425315504206
91084544230573
10312110123142
11110402034034
12505a5070286
132357ca3c84c
141116b628366
1581ba9337cc
hex48ab368886

312110123142 has 32 divisors (see below), whose sum is σ = 653678346240. Its totient is φ = 99159220160.

The previous prime is 312110123123. The next prime is 312110123161. The reversal of 312110123142 is 241321011213.

It is an interprime number because it is at equal distance from previous prime (312110123123) and next prime (312110123161).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3985542 + ... + 4063097.

It is an arithmetic number, because the mean of its divisors is an integer number (20427448320).

Almost surely, 2312110123142 is an apocalyptic number.

312110123142 is an abundant number, since it is smaller than the sum of its proper divisors (341568223098).

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

312110123142 is a wasteful number, since it uses less digits than its factorization.

312110123142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8048948.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 312110123142 its reverse (241321011213), we get a palindrome (553431134355).

The spelling of 312110123142 in words is "three hundred twelve billion, one hundred ten million, one hundred twenty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 281 562 843 1686 6463 12926 19389 38778 8048639 16097278 24145917 48291834 185118697 370237394 555356091 1110712182 2261667559 4523335118 6785002677 13570005354 52018353857 104036707714 156055061571 312110123142