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1445020670474 = 21429661976387
BaseRepresentation
bin10101000001110001111…
…100011001101000001010
312010010211222022211002122
4111001301330121220022
5142133400242423344
63023455555531242
7206253650016053
oct25016174315012
95103758284078
101445020670474
11507914551377
121b407a5b9b22
13a6359ba4664
144dd218d972a
15278c57d2aee
hex15071f19a0a

1445020670474 has 16 divisors (see below), whose sum is σ = 2169403922400. Its totient is φ = 721886198544.

The previous prime is 1445020670459. The next prime is 1445020670531. The reversal of 1445020670474 is 4740760205441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18878909 + ... + 18955295.

It is an arithmetic number, because the mean of its divisors is an integer number (135587745150).

Almost surely, 21445020670474 is an apocalyptic number.

1445020670474 is a deficient number, since it is larger than the sum of its proper divisors (724383251926).

1445020670474 is a wasteful number, since it uses less digits than its factorization.

1445020670474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84437.

The product of its (nonzero) digits is 752640, while the sum is 44.

The spelling of 1445020670474 in words is "one trillion, four hundred forty-five billion, twenty million, six hundred seventy thousand, four hundred seventy-four".

Divisors: 1 2 1429 2858 6619 13238 76387 152774 9458551 18917102 109157023 218314046 505605553 1011211106 722510335237 1445020670474