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6413986116 = 2232178166281
BaseRepresentation
bin1011111100100110…
…11010100101000100
3121120000001020212100
411332103122211010
5101113440023431
62540241552100
7314641660656
oct57623324504
917500036770
106413986116
1127a158977a
1212b0045630
137b2a96375
1444bbb46d6
152781604e6
hex17e4da944

6413986116 has 18 divisors (see below), whose sum is σ = 16213131662. Its totient is φ = 2137995360.

The previous prime is 6413986099. The next prime is 6413986121. The reversal of 6413986116 is 6116893146.

It can be written as a sum of positive squares in only one way, i.e., 6406401600 + 7584516 = 80040^2 + 2754^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×64139861162 = 82278435792481530912, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 89083105 + ... + 89083176.

Almost surely, 26413986116 is an apocalyptic number.

It is an amenable number.

6413986116 is an abundant number, since it is smaller than the sum of its proper divisors (9799145546).

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

6413986116 is a wasteful number, since it uses less digits than its factorization.

6413986116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178166291 (or 178166286 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 6413986116 is about 80087.3655204115. The cubic root of 6413986116 is about 1857.9870036165.

The spelling of 6413986116 in words is "six billion, four hundred thirteen million, nine hundred eighty-six thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 178166281 356332562 534498843 712665124 1068997686 1603496529 2137995372 3206993058 6413986116