Search a number
-
+
19039616289792 = 210347237319531
BaseRepresentation
bin1000101010001000000011…
…00100001100110000000000
32111102011120121002010020000
410111010001210030300000
54443421113232233132
6104254402354120000
74003365304125660
oct425040144146000
974364517063200
1019039616289792
11608072404100a
122176008b80000
13a815747408b7
1449b74545c1a0
152303e65ae87c
hex11510190cc00

19039616289792 has 880 divisors, whose sum is σ = 68735781852672. Its totient is φ = 5131831541760.

The previous prime is 19039616289781. The next prime is 19039616289817. The reversal of 19039616289792 is 29798261693091.

19039616289792 is a `hidden beast` number, since 1 + 9 + 0 + 396 + 1 + 62 + 8 + 97 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 19039616289792.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 974831067 + ... + 974850597.

Almost surely, 219039616289792 is an apocalyptic number.

19039616289792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19039616289792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34367890926336).

19039616289792 is an abundant number, since it is smaller than the sum of its proper divisors (49696165562880).

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

19039616289792 is a wasteful number, since it uses less digits than its factorization.

19039616289792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19666 (or 19639 counting only the distinct ones).

The product of its (nonzero) digits is 158723712, while the sum is 72.

The spelling of 19039616289792 in words is "nineteen trillion, thirty-nine billion, six hundred sixteen million, two hundred eighty-nine thousand, seven hundred ninety-two".