Search a number
-
+
191940524048 = 247213233161433
BaseRepresentation
bin1011001011000010001…
…0111111100000010000
3200100102122221212221002
42302300202333200100
511121043233232143
6224102023321132
716603315351400
oct2626042774020
9610378855832
10191940524048
1174446470679
12312485b01a8
131513b6837b0
14940b974800
154ed5b2b5b8
hex2cb08bf810

191940524048 has 480 divisors, whose sum is σ = 511219279872. Its totient is φ = 68976230400.

The previous prime is 191940524023. The next prime is 191940524059. The reversal of 191940524048 is 840425049191.

It is a junction number, because it is equal to n+sod(n) for n = 191940523993 and 191940524011.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 443280440 + ... + 443280872.

Almost surely, 2191940524048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 191940524048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255609639936).

191940524048 is an abundant number, since it is smaller than the sum of its proper divisors (319278755824).

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

191940524048 is a wasteful number, since it uses less digits than its factorization.

191940524048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 191940524048 in words is "one hundred ninety-one billion, nine hundred forty million, five hundred twenty-four thousand, forty-eight".