Search a number
-
+
16474011841 = 72353430263
BaseRepresentation
bin11110101011110110…
…10111100011000001
31120112002202111210201
433111323113203001
5232214321334331
611322411125201
71122145535020
oct172573274301
946462674721
1016474011841
116a94171a21
123239143801
13172703c401
14b23cc08b7
15666428a61
hex3d5ed78c1

16474011841 has 4 divisors (see below), whose sum is σ = 18827442112. Its totient is φ = 14120581572.

The previous prime is 16474011839. The next prime is 16474011881. The reversal of 16474011841 is 14811047461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16474011841 - 21 = 16474011839 is a prime.

It is a super-2 number, since 2×164740118412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16474011841.

It is not an unprimeable number, because it can be changed into a prime (16474011881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1176715125 + ... + 1176715138.

It is an arithmetic number, because the mean of its divisors is an integer number (4706860528).

Almost surely, 216474011841 is an apocalyptic number.

It is an amenable number.

16474011841 is a deficient number, since it is larger than the sum of its proper divisors (2353430271).

16474011841 is an equidigital number, since it uses as much as digits as its factorization.

16474011841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2353430270.

The product of its (nonzero) digits is 21504, while the sum is 37.

The spelling of 16474011841 in words is "sixteen billion, four hundred seventy-four million, eleven thousand, eight hundred forty-one".

Divisors: 1 7 2353430263 16474011841