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45203477731 = 233163398987
BaseRepresentation
bin101010000110010101…
…100101010011100011
311022200022022121000221
4222012111211103203
51220034042241411
632433255223511
73160120135546
oct520625452343
9138608277027
1045203477731
1118197203965
128916677b97
134355115379
14228b6b885d
151298733071
hexa865654e3

45203477731 has 8 divisors (see below), whose sum is σ = 48690422784. Its totient is φ = 41843330760.

The previous prime is 45203477723. The next prime is 45203477741. The reversal of 45203477731 is 13777430254.

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 45203477731 - 23 = 45203477723 is a prime.

It is a super-2 number, since 2×452034777312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45203477741) 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 7 ways as a sum of consecutive naturals, for example, 31698781 + ... + 31700206.

It is an arithmetic number, because the mean of its divisors is an integer number (6086302848).

Almost surely, 245203477731 is an apocalyptic number.

45203477731 is a deficient number, since it is larger than the sum of its proper divisors (3486945053).

45203477731 is a wasteful number, since it uses less digits than its factorization.

45203477731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63399041.

The product of its (nonzero) digits is 493920, while the sum is 43.

The spelling of 45203477731 in words is "forty-five billion, two hundred three million, four hundred seventy-seven thousand, seven hundred thirty-one".

Divisors: 1 23 31 713 63398987 1458176701 1965368597 45203477731