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45423640831 = 538287103421
BaseRepresentation
bin101010010011011101…
…011100000011111111
311100020122121001000211
4222103131130003333
51221011423001311
632511202133251
73165432401512
oct522335340377
9140218531024
1045423640831
111829a508738
128978351227
13438b90c0aa
1422aca28d79
1512acc21821
hexa9375c0ff

45423640831 has 8 divisors (see below), whose sum is σ = 46286722944. Its totient is φ = 44560782240.

The previous prime is 45423640799. The next prime is 45423640897. The reversal of 45423640831 is 13804632454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45423640831 - 25 = 45423640799 is a prime.

It is a super-2 number, since 2×454236408312 (a number of 22 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 (45423643831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387501 + ... + 490921.

It is an arithmetic number, because the mean of its divisors is an integer number (5785840368).

Almost surely, 245423640831 is an apocalyptic number.

45423640831 is a deficient number, since it is larger than the sum of its proper divisors (863082113).

45423640831 is a wasteful number, since it uses less digits than its factorization.

45423640831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111761.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 45423640831 in words is "forty-five billion, four hundred twenty-three million, six hundred forty thousand, eight hundred thirty-one".

Divisors: 1 53 8287 103421 439211 5481313 857049827 45423640831