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6680307534 = 2313123333643
BaseRepresentation
bin1100011100010110…
…10110011101001110
3122020120011210011120
412032023112131032
5102140124320114
63022514101410
7324354451155
oct61613263516
918216153146
106680307534
11291894aa1a
12136527a866
138260019c4
144752dc59c
1529171a5a9
hex18e2d674e

6680307534 has 32 divisors (see below), whose sum is σ = 13472072064. Its totient is φ = 2208217440.

The previous prime is 6680307511. The next prime is 6680307563. The reversal of 6680307534 is 4357030866.

It is a super-2 number, since 2×66803075342 = 89253017497634322312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1831917 + ... + 1835559.

It is an arithmetic number, because the mean of its divisors is an integer number (421002252).

Almost surely, 26680307534 is an apocalyptic number.

6680307534 is an abundant number, since it is smaller than the sum of its proper divisors (6791764530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6680307534 is a wasteful number, since it uses less digits than its factorization.

6680307534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 6680307534 is about 81733.1483181701. The cubic root of 6680307534 is about 1883.3548380103.

The spelling of 6680307534 in words is "six billion, six hundred eighty million, three hundred seven thousand, five hundred thirty-four".

Divisors: 1 2 3 6 131 262 393 786 2333 3643 4666 6999 7286 10929 13998 21858 305623 477233 611246 916869 954466 1431699 1833738 2863398 8499119 16998238 25497357 50994714 1113384589 2226769178 3340153767 6680307534