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6669648070 = 252377280591
BaseRepresentation
bin1100011011000101…
…01100000011000110
3122012211010020010121
412031202230003012
5102124412214240
63021453412154
7324165034051
oct61542540306
918184106117
106669648070
11291292a348
12136179a05a
13823a3bc27
14473b25a98
1529081204a
hex18d8ac0c6

6669648070 has 16 divisors (see below), whose sum is σ = 12010459968. Its totient is φ = 2666727360.

The previous prime is 6669648061. The next prime is 6669648091. The reversal of 6669648070 is 708469666.

It is a junction number, because it is equal to n+sod(n) for n = 6669647999 and 6669648017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116526 + ... + 164065.

It is an arithmetic number, because the mean of its divisors is an integer number (750653748).

Almost surely, 26669648070 is an apocalyptic number.

6669648070 is a deficient number, since it is larger than the sum of its proper divisors (5340811898).

6669648070 is a wasteful number, since it uses less digits than its factorization.

6669648070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282975.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The square root of 6669648070 is about 81667.9133442260. The cubic root of 6669648070 is about 1882.3525767445.

The spelling of 6669648070 in words is "six billion, six hundred sixty-nine million, six hundred forty-eight thousand, seventy".

Divisors: 1 2 5 10 2377 4754 11885 23770 280591 561182 1402955 2805910 666964807 1333929614 3334824035 6669648070