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270664891009 = 17731097198817
BaseRepresentation
bin1111110000010011100…
…0100111101010000001
3221212122002202002100221
43330010320213222001
513413310203003014
6324201451543041
725361220420262
oct3740470475201
9855562662327
10270664891009
11a4874302777
124455915aa81
131c6a6432656
14d159132969
15709211eb24
hex3f04e27a81

270664891009 has 16 divisors (see below), whose sum is σ = 290778482448. Its totient is φ = 251023491072.

The previous prime is 270664890983. The next prime is 270664891051. The reversal of 270664891009 is 900198466072.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 35539790400 + 235125100609 = 188520^2 + 484897^2 .

It is a cyclic number.

It is not a de Polignac number, because 270664891009 - 233 = 262074956417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270664891109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1261969 + ... + 1460785.

It is an arithmetic number, because the mean of its divisors is an integer number (18173655153).

Almost surely, 2270664891009 is an apocalyptic number.

It is an amenable number.

270664891009 is a deficient number, since it is larger than the sum of its proper divisors (20113591439).

270664891009 is a wasteful number, since it uses less digits than its factorization.

270664891009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200004.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 270664891009 in words is "two hundred seventy billion, six hundred sixty-four million, eight hundred ninety-one thousand, nine".

Divisors: 1 17 73 1097 1241 18649 80081 198817 1361377 3379889 14513641 218102249 246731897 3707738233 15921464177 270664891009