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1245392794428 = 223198135238113
BaseRepresentation
bin10010000111110111001…
…100011111001100111100
311102001120120020222200220
4102013313030133030330
5130401031023410203
62352043041421340
7155655665042406
oct22076714371474
94361516228626
101245392794428
11440193846432
1218144763a850
13905949b6793
14443c5003b76
15225ded67653
hex121f731f33c

1245392794428 has 24 divisors (see below), whose sum is σ = 2906063742288. Its totient is φ = 415109899776.

The previous prime is 1245392794411. The next prime is 1245392794433. The reversal of 1245392794428 is 8244972935421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2381301 + ... + 2856812.

It is an arithmetic number, because the mean of its divisors is an integer number (121085989262).

Almost surely, 21245392794428 is an apocalyptic number.

It is an amenable number.

1245392794428 is an abundant number, since it is smaller than the sum of its proper divisors (1660670947860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245392794428 is a wasteful number, since it uses less digits than its factorization.

1245392794428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5257933 (or 5257931 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

The spelling of 1245392794428 in words is "one trillion, two hundred forty-five billion, three hundred ninety-two million, seven hundred ninety-four thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 19813 39626 59439 79252 118878 237756 5238113 10476226 15714339 20952452 31428678 62857356 103782732869 207565465738 311348198607 415130931476 622696397214 1245392794428