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215464232040213 = 3135524723898467
BaseRepresentation
bin110000111111011010101101…
…000000110011011100010101
31001020220011211210110112100010
4300333122231000303130111
5211220131221400241323
62042130522434510433
763245530346660532
oct6077325500633425
91036804753415303
10215464232040213
116272095a933782
12201ba4b3435419
13932c261290380
143b2c74b227d89
1519d9abc15cc93
hexc3f6ad033715

215464232040213 has 8 divisors (see below), whose sum is σ = 309384538314208. Its totient is φ = 132593373563184.

The previous prime is 215464232040209. The next prime is 215464232040247. The reversal of 215464232040213 is 312040232464512.

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

It is not a de Polignac number, because 215464232040213 - 22 = 215464232040209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 5524723898467 = 215464232040213 / (2 + 1 + 5 + 4 + 6 + 4 + 2 + 3 + 2 + 0 + 4 + 0 + 2 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215464232040293) 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, 2762361949195 + ... + 2762361949272.

It is an arithmetic number, because the mean of its divisors is an integer number (38673067289276).

Almost surely, 2215464232040213 is an apocalyptic number.

It is an amenable number.

215464232040213 is a deficient number, since it is larger than the sum of its proper divisors (93920306273995).

215464232040213 is a wasteful number, since it uses less digits than its factorization.

215464232040213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524723898483.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 215464232040213 in words is "two hundred fifteen trillion, four hundred sixty-four billion, two hundred thirty-two million, forty thousand, two hundred thirteen".

Divisors: 1 3 13 39 5524723898467 16574171695401 71821410680071 215464232040213