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312142115040 = 2535792899439
BaseRepresentation
bin1001000101011010001…
…11101011000011100000
31002211200201110101021120
410202231013223003200
520103231340140130
6355221320452240
731360113125550
oct4425507530340
91084621411246
10312142115040
111104190a5018
12505b391a080
1323586561372
1411171995160
1581bd652910
hex48ad1eb0e0

312142115040 has 96 divisors (see below), whose sum is σ = 1123711626240. Its totient is φ = 71346768384.

The previous prime is 312142115039. The next prime is 312142115041. The reversal of 312142115040 is 40511241213.

It is an interprime number because it is at equal distance from previous prime (312142115039) and next prime (312142115041).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 312142115040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312142115041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46446360 + ... + 46453079.

It is an arithmetic number, because the mean of its divisors is an integer number (11705329440).

Almost surely, 2312142115040 is an apocalyptic number.

312142115040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312142115040 is an abundant number, since it is smaller than the sum of its proper divisors (811569511200).

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

312142115040 is a wasteful number, since it uses less digits than its factorization.

312142115040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92899464 (or 92899456 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 312142115040 its reverse (40511241213), we get a palindrome (352653356253).

The spelling of 312142115040 in words is "three hundred twelve billion, one hundred forty-two million, one hundred fifteen thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 92899439 185798878 278698317 371597756 464497195 557396634 650296073 743195512 928994390 1114793268 1300592146 1393491585 1486391024 1857988780 1950888219 2229586536 2601184292 2786983170 2972782048 3251480365 3715977560 3901776438 4459173072 5202368584 5573966340 6502960730 7431955120 7803552876 8918346144 9754441095 10404737168 11147932680 13005921460 14863910240 15607105752 19508882190 20809474336 22295865360 26011842920 31214211504 39017764380 44591730720 52023685840 62428423008 78035528760 104047371680 156071057520 312142115040