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641332315515214 = 2320666157757607
BaseRepresentation
bin1001000111010010011101000…
…0110110010110100101001110
310010002202202210202111220100201
42101310213100312112211032
51133030042040232441324
610151555555354044114
7252041505433335421
oct22164472066264516
93102682722456321
10641332315515214
11176391564678074
125bb1a5baa1963a
13216b14bb1aba4b
14b452914a879b8
154e227d2d72444
hex24749d0d9694e

641332315515214 has 4 divisors (see below), whose sum is σ = 961998473272824. Its totient is φ = 320666157757606.

The previous prime is 641332315515209. The next prime is 641332315515233. The reversal of 641332315515214 is 412515513233146.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×6413323155152142 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160333078878802 + ... + 160333078878805.

It is an arithmetic number, because the mean of its divisors is an integer number (240499618318206).

Almost surely, 2641332315515214 is an apocalyptic number.

641332315515214 is a deficient number, since it is larger than the sum of its proper divisors (320666157757610).

641332315515214 is a wasteful number, since it uses less digits than its factorization.

641332315515214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320666157757609.

The product of its digits is 1296000, while the sum is 46.

The spelling of 641332315515214 in words is "six hundred forty-one trillion, three hundred thirty-two billion, three hundred fifteen million, five hundred fifteen thousand, two hundred fourteen".

Divisors: 1 2 320666157757607 641332315515214