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6896820996 = 22321314736797
BaseRepresentation
bin1100110110001010…
…10010001100000100
3122210122120210210200
412123011102030010
5103111041232441
63100210450500
7332624003562
oct63305221404
918718523720
106896820996
112a1a09176a
121405893a30
1385bb1b490
14495d7ca32
152a57377b6
hex19b152304

6896820996 has 36 divisors (see below), whose sum is σ = 18774680652. Its totient is φ = 2122098624.

The previous prime is 6896820929. The next prime is 6896821021. The reversal of 6896820996 is 6990286986.

It can be written as a sum of positive squares in 2 ways, for example, as 957036096 + 5939784900 = 30936^2 + 77070^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×68968209962 = 95132279701732864032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7367931 + ... + 7368866.

It is an arithmetic number, because the mean of its divisors is an integer number (521518907).

Almost surely, 26896820996 is an apocalyptic number.

It is an amenable number.

6896820996 is an abundant number, since it is smaller than the sum of its proper divisors (11877859656).

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

6896820996 is a wasteful number, since it uses less digits than its factorization.

6896820996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14736820 (or 14736815 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 63.

The square root of 6896820996 is about 83047.1010692125. The cubic root of 6896820996 is about 1903.4858441661.

The spelling of 6896820996 in words is "six billion, eight hundred ninety-six million, eight hundred twenty thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 14736797 29473594 44210391 58947188 88420782 132631173 176841564 191578361 265262346 383156722 530524692 574735083 766313444 1149470166 1724205249 2298940332 3448410498 6896820996