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20140312404 = 22310463160409
BaseRepresentation
bin10010110000011101…
…001100011101010100
31220222121112212200110
4102300131030131110
5312221404444104
613130300443020
71312044554652
oct226035143524
956877485613
1020140312404
1185a5754893
123aa0b49470
131b8c794224
14d90babdd2
157cd234e89
hex4b074c754

20140312404 has 24 divisors (see below), whose sum is σ = 46998846720. Its totient is φ = 6712753984.

The previous prime is 20140312373. The next prime is 20140312421. The reversal of 20140312404 is 40421304102.

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, 45352 + ... + 205760.

It is an arithmetic number, because the mean of its divisors is an integer number (1958285280).

Almost surely, 220140312404 is an apocalyptic number.

It is an amenable number.

20140312404 is an abundant number, since it is smaller than the sum of its proper divisors (26858534316).

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

20140312404 is a wasteful number, since it uses less digits than its factorization.

20140312404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170879 (or 170877 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20140312404 its reverse (40421304102), we get a palindrome (60561616506).

The spelling of 20140312404 in words is "twenty billion, one hundred forty million, three hundred twelve thousand, four hundred four".

Divisors: 1 2 3 4 6 12 10463 20926 31389 41852 62778 125556 160409 320818 481227 641636 962454 1924908 1678359367 3356718734 5035078101 6713437468 10070156202 20140312404