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90652373761 = 130769359123
BaseRepresentation
bin101010001101101001…
…1010111001100000001
322122222201102201200111
41110123103113030001
52441124001430021
6105351202551321
76356310314605
oct1243323271401
9278881381614
1090652373761
11354999a1164
121569b368541
138719027861
14455d7d9505
1525587928e1
hex151b4d7301

90652373761 has 4 divisors (see below), whose sum is σ = 90721734192. Its totient is φ = 90583013332.

The previous prime is 90652373737. The next prime is 90652373807. The reversal of 90652373761 is 16737325609.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16737325609 = 73229278433.

It is a cyclic number.

It is not a de Polignac number, because 90652373761 - 25 = 90652373729 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90652379761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34678255 + ... + 34680868.

It is an arithmetic number, because the mean of its divisors is an integer number (22680433548).

Almost surely, 290652373761 is an apocalyptic number.

It is an amenable number.

90652373761 is a deficient number, since it is larger than the sum of its proper divisors (69360431).

90652373761 is a wasteful number, since it uses less digits than its factorization.

90652373761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69360430.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The spelling of 90652373761 in words is "ninety billion, six hundred fifty-two million, three hundred seventy-three thousand, seven hundred sixty-one".

Divisors: 1 1307 69359123 90652373761