Search a number
-
+
17741405056 = 271091271603
BaseRepresentation
bin10000100001011110…
…000101101110000000
31200210102120202110011
4100201132011232000
5242313244430211
612052243514304
71165435311664
oct204136055600
950712522404
1017741405056
117584619231
123531688994
13189979ba1b
14c043548a4
156dc827921
hex421785b80

17741405056 has 32 divisors (see below), whose sum is σ = 35668492200. Its totient is φ = 8789313024.

The previous prime is 17741405039. The next prime is 17741405057. The reversal of 17741405056 is 65050414771.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×177414050562 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17741405057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621850 + ... + 649753.

Almost surely, 217741405056 is an apocalyptic number.

17741405056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

17741405056 is an abundant number, since it is smaller than the sum of its proper divisors (17927087144).

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

17741405056 is a wasteful number, since it uses less digits than its factorization.

17741405056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271726 (or 1271714 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 17741405056 in words is "seventeen billion, seven hundred forty-one million, four hundred five thousand, fifty-six".

Divisors: 1 2 4 8 16 32 64 109 128 218 436 872 1744 3488 6976 13952 1271603 2543206 5086412 10172824 20345648 40691296 81382592 138604727 162765184 277209454 554418908 1108837816 2217675632 4435351264 8870702528 17741405056