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213351488065 = 5239192018749
BaseRepresentation
bin1100011010110010111…
…1010101101001000001
3202101200211110112221101
43012230233111221001
511443420440104230
6242002354454401
721262022504122
oct3065457255101
9671624415841
10213351488065
1182533397861
1235422b94401
1317171478481
14a47d3c4049
15583a6a5aca
hex31acbd5a41

213351488065 has 16 divisors (see below), whose sum is σ = 267444000000. Its totient is φ = 163082538432.

The previous prime is 213351488041. The next prime is 213351488093. The reversal of 213351488065 is 560884153312.

213351488065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 213351488065 - 25 = 213351488033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903690 + ... + 1115059.

It is an arithmetic number, because the mean of its divisors is an integer number (16715250000).

Almost surely, 2213351488065 is an apocalyptic number.

It is an amenable number.

213351488065 is a deficient number, since it is larger than the sum of its proper divisors (54092511935).

213351488065 is a wasteful number, since it uses less digits than its factorization.

213351488065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2019696.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 213351488065 in words is "two hundred thirteen billion, three hundred fifty-one million, four hundred eighty-eight thousand, sixty-five".

Divisors: 1 5 23 115 919 4595 21137 105685 2018749 10093745 46431227 232156135 1855230331 9276151655 42670297613 213351488065