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312023123312 = 24191676146059
BaseRepresentation
bin1001000101001100000…
…01110000010101110000
31002211101102112222022112
410202212001300111300
520103010404421222
6355201430224452
731354136534105
oct4424601602560
91084342488275
10312023123312
11110367a1184a
125057bab5128
13235679cb364
141115dc5caac
1581b2e9abe2
hex48a6070570

312023123312 has 40 divisors (see below), whose sum is σ = 640173609600. Its totient is φ = 146915370432.

The previous prime is 312023123303. The next prime is 312023123317. The reversal of 312023123312 is 213321320213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312023123317) 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, 3022262 + ... + 3123797.

It is an arithmetic number, because the mean of its divisors is an integer number (16004340240).

Almost surely, 2312023123312 is an apocalyptic number.

It is an amenable number.

312023123312 is an abundant number, since it is smaller than the sum of its proper divisors (328150486288).

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

312023123312 is a wasteful number, since it uses less digits than its factorization.

312023123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6146253 (or 6146247 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 312023123312 its reverse (213321320213), we get a palindrome (525344443525).

The spelling of 312023123312 in words is "three hundred twelve billion, twenty-three million, one hundred twenty-three thousand, three hundred twelve".

Divisors: 1 2 4 8 16 19 38 76 152 167 304 334 668 1336 2672 3173 6346 12692 25384 50768 6146059 12292118 24584236 49168472 98336944 116775121 233550242 467100484 934200968 1026391853 1868401936 2052783706 4105567412 8211134824 16422269648 19501445207 39002890414 78005780828 156011561656 312023123312