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313100203100240 = 2457735063069261
BaseRepresentation
bin100011100110000110101001…
…0011000101000100001010000
31112001121002100111021000112102
41013030031102120220201100
5312014313203443201430
63025524125253015532
7122643512624526113
oct10714152230504120
91461532314230472
10313100203100240
1190844061165556
122b148b006245a8
13105922b79a110a
1457461b886a57a
15262e6c4e9d345
hex11cc352628850

313100203100240 has 40 divisors (see below), whose sum is σ = 728899703234568. Its totient is φ = 125078062999040.

The previous prime is 313100203100213. The next prime is 313100203100297. The reversal of 313100203100240 is 42001302001313.

It can be written as a sum of positive squares in 4 ways, for example, as 11121584689216 + 301978618411024 = 3334904^2 + 17377532^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2531472791 + ... + 2531596470.

Almost surely, 2313100203100240 is an apocalyptic number.

It is an amenable number.

313100203100240 is an abundant number, since it is smaller than the sum of its proper divisors (415799500134328).

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

313100203100240 is a wasteful number, since it uses less digits than its factorization.

313100203100240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063070047 (or 5063070041 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 313100203100240 its reverse (42001302001313), we get a palindrome (355101505101553).

The spelling of 313100203100240 in words is "three hundred thirteen trillion, one hundred billion, two hundred three million, one hundred thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 773 1546 3092 3865 6184 7730 12368 15460 30920 61840 5063069261 10126138522 20252277044 25315346305 40504554088 50630692610 81009108176 101261385220 202522770440 405045540880 3913752538753 7827505077506 15655010155012 19568762693765 31310020310024 39137525387530 62620040620048 78275050775060 156550101550120 313100203100240