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45233221357 = 166871271067
BaseRepresentation
bin101010001000000111…
…000010111011101101
311022202101021201121201
4222020013002323231
51220114201040412
632440240525501
73160631015632
oct521007027355
9138671251551
1045233221357
1118201a79775
128924620891
13435b32a74c
14229161c189
15129b15ae57
hexa881c2eed

45233221357 has 4 divisors (see below), whose sum is σ = 45233659296. Its totient is φ = 45232783420.

The previous prime is 45233221343. The next prime is 45233221381. The reversal of 45233221357 is 75312233254.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75312233254 = 237656116627.

It is a cyclic number.

It is not a de Polignac number, because 45233221357 - 227 = 45099003629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45233221387) 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, 31338 + ... + 302404.

It is an arithmetic number, because the mean of its divisors is an integer number (11308414824).

Almost surely, 245233221357 is an apocalyptic number.

It is an amenable number.

45233221357 is a deficient number, since it is larger than the sum of its proper divisors (437939).

45233221357 is a wasteful number, since it uses less digits than its factorization.

45233221357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437938.

The product of its digits is 151200, while the sum is 37.

The spelling of 45233221357 in words is "forty-five billion, two hundred thirty-three million, two hundred twenty-one thousand, three hundred fifty-seven".

Divisors: 1 166871 271067 45233221357