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220401355304413 = 239582667621931
BaseRepresentation
bin110010000111010000110000…
…011111011010110111011101
31001220101011102101220112100201
4302013100300133122313131
5212342023433424220123
62100430552420423501
764265321022210313
oct6207206037326735
91056334371815321
10220401355304413
1164254765243a78
1220877313b47b91
1395c99b291080a
143c5d6a80400b3
151a732297d55ad
hexc874307daddd

220401355304413 has 4 divisors (see below), whose sum is σ = 229984022926368. Its totient is φ = 210818687682460.

The previous prime is 220401355304401. The next prime is 220401355304419. The reversal of 220401355304413 is 314403553104022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220401355304413 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 (220401355304419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4791333810943 + ... + 4791333810988.

It is an arithmetic number, because the mean of its divisors is an integer number (57496005731592).

Almost surely, 2220401355304413 is an apocalyptic number.

220401355304413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

220401355304413 is a deficient number, since it is larger than the sum of its proper divisors (9582667621955).

220401355304413 is an equidigital number, since it uses as much as digits as its factorization.

220401355304413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9582667621954.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 220401355304413 in words is "two hundred twenty trillion, four hundred one billion, three hundred fifty-five million, three hundred four thousand, four hundred thirteen".

Divisors: 1 23 9582667621931 220401355304413