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312413131421200 = 2452781032828553
BaseRepresentation
bin100011100001000110101100…
…1101110001011011000010000
31111222011101220021200101002201
41013002031121232023120100
5311422034043120434300
63024240340010252544
7122543050430601325
oct10702153156133020
91458141807611081
10312413131421200
11905a9735103837
122b057911727154
131054257caca044
145720c3a592b4c
15261b8b0dd966a
hex11c2359b8b610

312413131421200 has 30 divisors (see below), whose sum is σ = 750572548240394. Its totient is φ = 124965252568320.

The previous prime is 312413131421147. The next prime is 312413131421341. The reversal of 312413131421200 is 2124131314213.

It can be written as a sum of positive squares in 3 ways, for example, as 95196941499664 + 217216189921536 = 9756892^2 + 14738256^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 390516413877 + ... + 390516414676.

Almost surely, 2312413131421200 is an apocalyptic number.

It is an amenable number.

312413131421200 is an abundant number, since it is smaller than the sum of its proper divisors (438159416819194).

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

312413131421200 is a wasteful number, since it uses less digits than its factorization.

312413131421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781032828571 (or 781032828560 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 312413131421200 its reverse (2124131314213), we get a palindrome (314537262735413).

The spelling of 312413131421200 in words is "three hundred twelve trillion, four hundred thirteen billion, one hundred thirty-one million, four hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 781032828553 1562065657106 3124131314212 3905164142765 6248262628424 7810328285530 12496525256848 15620656571060 19525820713825 31241313142120 39051641427650 62482626284240 78103282855300 156206565710600 312413131421200