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44070247507 = 1113308183549
BaseRepresentation
bin101001000010110010…
…101001110001010011
311012202022221112102011
4221002302221301103
51210223440410012
632125014203351
73120046631416
oct510262516123
9135668845364
1044070247507
1117765562260
12865b053557
1342043cb340
1421c0da9b7d
15122ded61a7
hexa42ca9c53

44070247507 has 8 divisors (see below), whose sum is σ = 51774836400. Its totient is φ = 36982025760.

The previous prime is 44070247451. The next prime is 44070247523. The reversal of 44070247507 is 70574207044.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-44070247507 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 44070247507.

It is not an unprimeable number, because it can be changed into a prime (44070217507) 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, 154091632 + ... + 154091917.

It is an arithmetic number, because the mean of its divisors is an integer number (6471854550).

Almost surely, 244070247507 is an apocalyptic number.

44070247507 is a deficient number, since it is larger than the sum of its proper divisors (7704588893).

44070247507 is a wasteful number, since it uses less digits than its factorization.

44070247507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308183573.

The product of its (nonzero) digits is 219520, while the sum is 40.

The spelling of 44070247507 in words is "forty-four billion, seventy million, two hundred forty-seven thousand, five hundred seven".

Divisors: 1 11 13 143 308183549 3390019039 4006386137 44070247507