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303020102231213 = 23283239319454249
BaseRepresentation
bin100010011100110000101110…
…1100011011010010010101101
31110201220102211221010000102012
41010321201131203122102231
5304204140132132344323
62552245302504211005
7120553323421045223
oct10471413543322255
91421812757100365
10303020102231213
1188608115aa0024
1229b9b3ab169a65
1310010899854893
1454b8373426b13
1525073accb4678
hex113985d8da4ad

303020102231213 has 16 divisors (see below), whose sum is σ = 317444802192000. Its totient is φ = 288700417784064.

The previous prime is 303020102231179. The next prime is 303020102231243. The reversal of 303020102231213 is 312132201020303.

It is a de Polignac number, because none of the positive numbers 2k-303020102231213 is a prime.

It is a super-2 number, since 2×3030201022312132 (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303020102231243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5848913 + ... + 25303161.

It is an arithmetic number, because the mean of its divisors is an integer number (19840300137000).

Almost surely, 2303020102231213 is an apocalyptic number.

It is an amenable number.

303020102231213 is a deficient number, since it is larger than the sum of its proper divisors (14424699960787).

303020102231213 is a wasteful number, since it uses less digits than its factorization.

303020102231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19456948.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 303020102231213 its reverse (312132201020303), we get a palindrome (615152303251516).

The spelling of 303020102231213 in words is "three hundred three trillion, twenty billion, one hundred two million, two hundred thirty-one thousand, two hundred thirteen".

Divisors: 1 23 283 2393 6509 55039 677219 15576037 19454249 447447727 5505552467 46554017857 126627706741 1070742410711 13174787053531 303020102231213