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745488731284 = 221116942925711
BaseRepresentation
bin10101101100100101001…
…01110100110010010100
32122021020101120101002021
422312102211310302110
544203230103400114
61330250042422524
7104600622443233
oct12662245646224
92567211511067
10745488731284
11268183a547a0
12100592801a44
13553b76b8c9b
1428120834b1a
15145d2885024
hexad92974c94

745488731284 has 12 divisors (see below), whose sum is σ = 1423205759808. Its totient is φ = 338858514200.

The previous prime is 745488731263. The next prime is 745488731297. The reversal of 745488731284 is 482137884547.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8471462812 + ... + 8471462899.

It is an arithmetic number, because the mean of its divisors is an integer number (118600479984).

Almost surely, 2745488731284 is an apocalyptic number.

It is an amenable number.

745488731284 is a deficient number, since it is larger than the sum of its proper divisors (677717028524).

745488731284 is a wasteful number, since it uses less digits than its factorization.

745488731284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16942925726 (or 16942925724 counting only the distinct ones).

The product of its digits is 48168960, while the sum is 61.

The spelling of 745488731284 in words is "seven hundred forty-five billion, four hundred eighty-eight million, seven hundred thirty-one thousand, two hundred eighty-four".

Divisors: 1 2 4 11 22 44 16942925711 33885851422 67771702844 186372182821 372744365642 745488731284