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92146741921 = 137088210917
BaseRepresentation
bin101010111010001011…
…1111011001010100001
322210211212100111102101
41111310113323022201
53002204031220141
6110155344250401
76441324245233
oct1256427731241
9283755314371
1092146741921
1136096485073
1215a37910a01
1388c67c7580
144662074253
1525e4a78531
hex15745fb2a1

92146741921 has 4 divisors (see below), whose sum is σ = 99234952852. Its totient is φ = 85058530992.

The previous prime is 92146741903. The next prime is 92146741931. The reversal of 92146741921 is 12914764129.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12914764129 = 19751653879.

It can be written as a sum of positive squares in 2 ways, for example, as 63496440225 + 28650301696 = 251985^2 + 169264^2 .

It is a cyclic number.

It is not a de Polignac number, because 92146741921 - 25 = 92146741889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92146741931) 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, 3544105446 + ... + 3544105471.

It is an arithmetic number, because the mean of its divisors is an integer number (24808738213).

Almost surely, 292146741921 is an apocalyptic number.

It is an amenable number.

92146741921 is a deficient number, since it is larger than the sum of its proper divisors (7088210931).

92146741921 is a wasteful number, since it uses less digits than its factorization.

92146741921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7088210930.

The product of its digits is 217728, while the sum is 46.

The spelling of 92146741921 in words is "ninety-two billion, one hundred forty-six million, seven hundred forty-one thousand, nine hundred twenty-one".

Divisors: 1 13 7088210917 92146741921