Search a number
-
+
19682190224 = 241230136889
BaseRepresentation
bin10010010101001001…
…100110001110010000
31212210200111212012022
4102111021212032100
5310302120041344
613013013351012
71264512566534
oct222511461620
955720455168
1019682190224
1183900a0914
123993638468
131b188b2608
14d49dd7bc4
157a2de00ee
hex495266390

19682190224 has 10 divisors (see below), whose sum is σ = 38134243590. Its totient is φ = 9841095104.

The previous prime is 19682190217. The next prime is 19682190239. The reversal of 19682190224 is 42209128691.

It can be written as a sum of positive squares in only one way, i.e., 19622406400 + 59783824 = 140080^2 + 7732^2 .

It is a super-2 number, since 2×196821902242 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615068429 + ... + 615068460.

It is an arithmetic number, because the mean of its divisors is an integer number (3813424359).

Almost surely, 219682190224 is an apocalyptic number.

It is an amenable number.

19682190224 is a deficient number, since it is larger than the sum of its proper divisors (18452053366).

19682190224 is a wasteful number, since it uses less digits than its factorization.

19682190224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230136897 (or 1230136891 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 19682190224 in words is "nineteen billion, six hundred eighty-two million, one hundred ninety thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 1230136889 2460273778 4920547556 9841095112 19682190224