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47440106437 = 269176357273
BaseRepresentation
bin101100001011101001…
…101001001111000101
311112110011221002211011
4230023221221033011
51234124131401222
633443234042221
73266416152133
oct541351511705
9145404832734
1047440106437
1119134781139
12923b719371
1346205ccbc9
14242076c753
151379c87c77
hexb0ba693c5

47440106437 has 4 divisors (see below), whose sum is σ = 47616463980. Its totient is φ = 47263748896.

The previous prime is 47440106393. The next prime is 47440106453. The reversal of 47440106437 is 73460104474.

It is a happy number.

47440106437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73460104474 = 236730052237.

It can be written as a sum of positive squares in 2 ways, for example, as 16335140481 + 31104965956 = 127809^2 + 176366^2 .

It is a cyclic number.

It is not a de Polignac number, because 47440106437 - 211 = 47440104389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47440106437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47440106477) 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, 88178368 + ... + 88178905.

It is an arithmetic number, because the mean of its divisors is an integer number (11904115995).

Almost surely, 247440106437 is an apocalyptic number.

It is an amenable number.

47440106437 is a deficient number, since it is larger than the sum of its proper divisors (176357543).

47440106437 is a wasteful number, since it uses less digits than its factorization.

47440106437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176357542.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 47440106437 in words is "forty-seven billion, four hundred forty million, one hundred six thousand, four hundred thirty-seven".

Divisors: 1 269 176357273 47440106437