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1445757501413 = 13618910615817
BaseRepresentation
bin10101000010011101110…
…111001011111111100101
312010012202022210201010102
4111002131313023333211
5142141402410021123
63024101040433445
7206311134666161
oct25023567137745
95105668721112
101445757501413
11508162467365
121b4245318885
13a644673acb4
144dd916ddca1
152791a32d028
hex1509ddcbfe5

1445757501413 has 4 divisors (see below), whose sum is σ = 1445768253420. Its totient is φ = 1445746749408.

The previous prime is 1445757501337. The next prime is 1445757501427. The reversal of 1445757501413 is 3141057575441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 371006464609 + 1074751036804 = 609103^2 + 1036702^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445757501413 - 220 = 1445756452837 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 (1445757501443) 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, 5171720 + ... + 5444097.

It is an arithmetic number, because the mean of its divisors is an integer number (361442063355).

Almost surely, 21445757501413 is an apocalyptic number.

It is an amenable number.

1445757501413 is a deficient number, since it is larger than the sum of its proper divisors (10752007).

1445757501413 is a wasteful number, since it uses less digits than its factorization.

1445757501413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10752006.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 1445757501413 in words is "one trillion, four hundred forty-five billion, seven hundred fifty-seven million, five hundred one thousand, four hundred thirteen".

Divisors: 1 136189 10615817 1445757501413