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30697270666 = 2234229157799
BaseRepresentation
bin11100100101101100…
…110010110110001010
32221020100022220220121
4130211230302312022
51000332000130131
622034021013454
72134464331636
oct344554626612
987210286817
1030697270666
1112022899887
125b4855428a
132b8298a0aa
1416b2cb1dc6
15be9e5c911
hex725b32d8a

30697270666 has 16 divisors (see below), whose sum is σ = 48059568000. Its totient is φ = 14677738768.

The previous prime is 30697270649. The next prime is 30697270687. The reversal of 30697270666 is 66607279603.

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, 115635 + ... + 273433.

It is an arithmetic number, because the mean of its divisors is an integer number (3003723000).

Almost surely, 230697270666 is an apocalyptic number.

30697270666 is a deficient number, since it is larger than the sum of its proper divisors (17362297334).

30697270666 is a wasteful number, since it uses less digits than its factorization.

30697270666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162053.

The product of its (nonzero) digits is 3429216, while the sum is 52.

The spelling of 30697270666 in words is "thirty billion, six hundred ninety-seven million, two hundred seventy thousand, six hundred sixty-six".

Divisors: 1 2 23 46 4229 8458 97267 157799 194534 315598 3629377 7258754 667331971 1334663942 15348635333 30697270666