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11670668045 = 517731880849
BaseRepresentation
bin10101101111010000…
…00100001100001101
31010010100102100211122
422313220010030031
5142400142334140
65210022530325
7562132020161
oct126750041415
933110370748
1011670668045
114a49873703
1223185969a5
13113cb66b4a
147c9db0ca1
154848baab5
hex2b7a0430d

11670668045 has 16 divisors (see below), whose sum is σ = 15031753200. Its totient is φ = 8666947584.

The previous prime is 11670668029. The next prime is 11670668059. The reversal of 11670668045 is 54086607611.

It can be written as a sum of positive squares in 8 ways, for example, as 1063933924 + 10606734121 = 32618^2 + 102989^2 .

It is a cyclic number.

It is not a de Polignac number, because 11670668045 - 24 = 11670668029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11670667987 and 11670668005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 934220 + ... + 946629.

It is an arithmetic number, because the mean of its divisors is an integer number (939484575).

Almost surely, 211670668045 is an apocalyptic number.

It is an amenable number.

11670668045 is a deficient number, since it is larger than the sum of its proper divisors (3361085155).

11670668045 is a wasteful number, since it uses less digits than its factorization.

11670668045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880944.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 11670668045 in words is "eleven billion, six hundred seventy million, six hundred sixty-eight thousand, forty-five".

Divisors: 1 5 17 73 85 365 1241 6205 1880849 9404245 31974433 137301977 159872165 686509885 2334133609 11670668045