Search a number
-
+
17145746100127 = 19020790142561
BaseRepresentation
bin1111100110000000111000…
…0110110000111110011111
32020201010011112012020111001
43321200032012300332133
54221403442000201002
6100244351431211131
73416511400125361
oct371401606607637
966633145166431
1017145746100127
115510519759587
121b0ab63816aa7
13974ab5935088
14433c03b8cd31
151eb000a46a87
hexf980e1b0f9f

17145746100127 has 4 divisors (see below), whose sum is σ = 17145836432896. Its totient is φ = 17145655767360.

The previous prime is 17145746100107. The next prime is 17145746100143. The reversal of 17145746100127 is 72100164754171.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-17145746100127 is a prime.

It is a super-2 number, since 2×171457461001272 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17145746100107) 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, 44881074 + ... + 45261487.

It is an arithmetic number, because the mean of its divisors is an integer number (4286459108224).

Almost surely, 217145746100127 is an apocalyptic number.

17145746100127 is a deficient number, since it is larger than the sum of its proper divisors (90332769).

17145746100127 is an equidigital number, since it uses as much as digits as its factorization.

17145746100127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90332768.

The product of its (nonzero) digits is 329280, while the sum is 46.

The spelling of 17145746100127 in words is "seventeen trillion, one hundred forty-five billion, seven hundred forty-six million, one hundred thousand, one hundred twenty-seven".

Divisors: 1 190207 90142561 17145746100127