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6745953868 = 221997844511
BaseRepresentation
bin1100100100001011…
…10001011001001100
3122102010200222000021
412102011301121030
5102303431010433
63033221111524
7326112442663
oct62205613114
918363628007
106745953868
112951a07a95
1213832585a4
138367a79a4
1447dd09dda
1529738622d
hex19217164c

6745953868 has 12 divisors (see below), whose sum is σ = 11811344832. Its totient is φ = 3371283920.

The previous prime is 6745953853. The next prime is 6745953883. The reversal of 6745953868 is 8683595476.

It is an interprime number because it is at equal distance from previous prime (6745953853) and next prime (6745953883).

It is a super-2 number, since 2×67459538682 = 91015787178368322848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414268 + ... + 430243.

It is an arithmetic number, because the mean of its divisors is an integer number (984278736).

Almost surely, 26745953868 is an apocalyptic number.

It is an amenable number.

6745953868 is a deficient number, since it is larger than the sum of its proper divisors (5065390964).

6745953868 is a wasteful number, since it uses less digits than its factorization.

6745953868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846512 (or 846510 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 61.

The square root of 6745953868 is about 82133.7559594105. The cubic root of 6745953868 is about 1889.5038840420.

The spelling of 6745953868 in words is "six billion, seven hundred forty-five million, nine hundred fifty-three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 1997 3994 7988 844511 1689022 3378044 1686488467 3372976934 6745953868