Search a number
-
+
19692111232 = 27971586027
BaseRepresentation
bin10010010101101111…
…011100010110000000
31212211101011220021001
4102111233130112000
5310312140024412
613014010141344
71264663120003
oct222557342600
955741156231
1019692111232
1183957576a2
123996a21854
131b1a977231
14d4b45b53a
157a3bee957
hex495bdc580

19692111232 has 32 divisors (see below), whose sum is σ = 39634839720. Its totient is φ = 9744543744.

The previous prime is 19692111221. The next prime is 19692111247. The reversal of 19692111232 is 23211129691.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 19692111191 and 19692111200.

It is a congruent number.

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, 780598 + ... + 805429.

Almost surely, 219692111232 is an apocalyptic number.

It is an amenable number.

19692111232 is an abundant number, since it is smaller than the sum of its proper divisors (19942728488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19692111232 is an equidigital number, since it uses as much as digits as its factorization.

19692111232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586138 (or 1586126 counting only the distinct ones).

The product of its digits is 11664, while the sum is 37.

The spelling of 19692111232 in words is "nineteen billion, six hundred ninety-two million, one hundred eleven thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 32 64 97 128 194 388 776 1552 3104 6208 12416 1586027 3172054 6344108 12688216 25376432 50752864 101505728 153844619 203011456 307689238 615378476 1230756952 2461513904 4923027808 9846055616 19692111232