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6412687428 = 2237210905931
BaseRepresentation
bin1011111100011100…
…11101100001000100
3121112220121021101210
411332032131201010
5101113121444203
62540154051420
7314624641500
oct57616354104
917486537353
106412687428
1127a0881a84
1212ab719b70
137b2730204
1444b957300
15277ea5803
hex17e39d844

6412687428 has 36 divisors (see below), whose sum is σ = 17405867472. Its totient is φ = 1832196240.

The previous prime is 6412687417. The next prime is 6412687439. The reversal of 6412687428 is 8247862146.

It is an interprime number because it is at equal distance from previous prime (6412687417) and next prime (6412687439).

It is a super-2 number, since 2×64126874282 = 82245120098458510368, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5452378 + ... + 5453553.

Almost surely, 26412687428 is an apocalyptic number.

It is an amenable number.

6412687428 is an abundant number, since it is smaller than the sum of its proper divisors (10993180044).

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

6412687428 is a wasteful number, since it uses less digits than its factorization.

6412687428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10905952 (or 10905943 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 48.

The square root of 6412687428 is about 80079.2571643868. The cubic root of 6412687428 is about 1857.8615949520.

The spelling of 6412687428 in words is "six billion, four hundred twelve million, six hundred eighty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 10905931 21811862 32717793 43623724 65435586 76341517 130871172 152683034 229024551 305366068 458049102 534390619 916098204 1068781238 1603171857 2137562476 3206343714 6412687428