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20003030313 = 37952525253
BaseRepresentation
bin10010101000010001…
…100000010100101001
31220122001020020001120
4102220101200110221
5311431233432223
613104514205453
71305456644430
oct225021402451
956561206046
1020003030313
118535209812
123a62b83889
131b6a1c9016
14d7a874117
157c1168be3
hex4a8460529

20003030313 has 8 divisors (see below), whose sum is σ = 30480808128. Its totient is φ = 11430303024.

The previous prime is 20003030309. The next prime is 20003030347. The reversal of 20003030313 is 31303030002.

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

It is not a de Polignac number, because 20003030313 - 22 = 20003030309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20003030292 and 20003030301.

It is not an unprimeable number, because it can be changed into a prime (20003030303) 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, 476262606 + ... + 476262647.

It is an arithmetic number, because the mean of its divisors is an integer number (3810101016).

Almost surely, 220003030313 is an apocalyptic number.

It is an amenable number.

20003030313 is a deficient number, since it is larger than the sum of its proper divisors (10477777815).

20003030313 is an equidigital number, since it uses as much as digits as its factorization.

20003030313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952525263.

The product of its (nonzero) digits is 162, while the sum is 15.

Adding to 20003030313 its reverse (31303030002), we get a palindrome (51306060315).

The spelling of 20003030313 in words is "twenty billion, three million, thirty thousand, three hundred thirteen".

Divisors: 1 3 7 21 952525253 2857575759 6667676771 20003030313