Search a number
-
+
1078032394947 = 31721137890097
BaseRepresentation
bin11111010111111111011…
…11001110101011000011
310211001120221010210202210
433223333233032223003
5120130302243114242
62143124035313203
7140612435110524
oct17537757165303
93731527123683
101078032394947
113862112011a2
12154b1aa4b803
137a8728893c1
143a269b5a84b
151d097120d9c
hexfaffbceac3

1078032394947 has 8 divisors (see below), whose sum is σ = 1521928087056. Its totient is φ = 676412483072.

The previous prime is 1078032394931. The next prime is 1078032394973. The reversal of 1078032394947 is 7494932308701.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1078032394947 - 24 = 1078032394931 is a prime.

It is a super-2 number, since 2×10780323949472 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1078032394997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10568944998 + ... + 10568945099.

It is an arithmetic number, because the mean of its divisors is an integer number (190241010882).

Almost surely, 21078032394947 is an apocalyptic number.

1078032394947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1078032394947 is a deficient number, since it is larger than the sum of its proper divisors (443895692109).

1078032394947 is a wasteful number, since it uses less digits than its factorization.

1078032394947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21137890117.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 1078032394947 in words is "one trillion, seventy-eight billion, thirty-two million, three hundred ninety-four thousand, nine hundred forty-seven".

Divisors: 1 3 17 51 21137890097 63413670291 359344131649 1078032394947