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20130312413 = 199291140463
BaseRepresentation
bin10010101111110111…
…000011000011011101
31220221220201211021102
4102233313003003131
5312211324444123
613125302242445
71311563555321
oct225767030335
956856654242
1020130312413
1185a0044732
123a99726425
131b8a6a2683
14d8d727981
157cc40c028
hex4afdc30dd

20130312413 has 8 divisors (see below), whose sum is σ = 21212630400. Its totient is φ = 19050277248.

The previous prime is 20130312403. The next prime is 20130312421. The reversal of 20130312413 is 31421303102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20130312413 - 214 = 20130296029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130312403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552581 + ... + 587882.

It is an arithmetic number, because the mean of its divisors is an integer number (2651578800).

Almost surely, 220130312413 is an apocalyptic number.

It is an amenable number.

20130312413 is a deficient number, since it is larger than the sum of its proper divisors (1082317987).

20130312413 is a wasteful number, since it uses less digits than its factorization.

20130312413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141411.

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

Adding to 20130312413 its reverse (31421303102), we get a palindrome (51551615515).

The spelling of 20130312413 in words is "twenty billion, one hundred thirty million, three hundred twelve thousand, four hundred thirteen".

Divisors: 1 19 929 17651 1140463 21668797 1059490127 20130312413