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312220313102 = 21943191077303
BaseRepresentation
bin1001000101100011100…
…01111110011000001110
31002211220011121020212002
410202301301332120032
520103411400004402
6355233152512302
731362052605335
oct4426161763016
91084804536762
10312220313102
11110459255415
1250615b4b692
13235998104c9
141117c10cd1c
1581c544c602
hex48b1c7e60e

312220313102 has 16 divisors (see below), whose sum is σ = 504444082560. Its totient is φ = 144454440312.

The previous prime is 312220313089. The next prime is 312220313113. The reversal of 312220313102 is 201313022213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95537018 + ... + 95540285.

It is an arithmetic number, because the mean of its divisors is an integer number (31527755160).

Almost surely, 2312220313102 is an apocalyptic number.

312220313102 is a deficient number, since it is larger than the sum of its proper divisors (192223769458).

312220313102 is a wasteful number, since it uses less digits than its factorization.

312220313102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191077367.

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

Adding to 312220313102 its reverse (201313022213), we get a palindrome (513533335315).

The spelling of 312220313102 in words is "three hundred twelve billion, two hundred twenty million, three hundred thirteen thousand, one hundred two".

Divisors: 1 2 19 38 43 86 817 1634 191077303 382154606 3630468757 7260937514 8216324029 16432648058 156110156551 312220313102