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215850142047 = 3130155303649
BaseRepresentation
bin1100100100000110101…
…0111100100101011111
3202122010222010022211110
43021001222330211133
512014030114021142
6243054333353103
721410652635451
oct3110152744537
9678128108743
10215850142047
11835a5861551
12359bb938793
131747c026057
14a6391a42d1
155934c1799c
hex3241abc95f

215850142047 has 8 divisors (see below), whose sum is σ = 288021409200. Its totient is φ = 143789484800.

The previous prime is 215850142021. The next prime is 215850142103. The reversal of 215850142047 is 740241058512.

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 215850142047 - 27 = 215850141919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 215850141996 and 215850142014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215850140047) 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, 27647922 + ... + 27655727.

It is an arithmetic number, because the mean of its divisors is an integer number (36002676150).

Almost surely, 2215850142047 is an apocalyptic number.

215850142047 is a deficient number, since it is larger than the sum of its proper divisors (72171267153).

215850142047 is a wasteful number, since it uses less digits than its factorization.

215850142047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55304953.

The product of its (nonzero) digits is 89600, while the sum is 39.

The spelling of 215850142047 in words is "two hundred fifteen billion, eight hundred fifty million, one hundred forty-two thousand, forty-seven".

Divisors: 1 3 1301 3903 55303649 165910947 71950047349 215850142047