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2572091493939 = 321125980722161
BaseRepresentation
bin100101011011011100100…
…110011000111000110011
3100002220000110220220101200
4211123130212120320303
5314120120410301224
65245334051102243
7353553552653142
oct45333446307063
910086013826350
102572091493939
119018aa659740
123565a42a1983
13158716229a66
148c6c039d759
1546d8cb585c9
hex256dc998e33

2572091493939 has 12 divisors (see below), whose sum is σ = 4052992657272. Its totient is φ = 1558843329600.

The previous prime is 2572091493833. The next prime is 2572091493949. The reversal of 2572091493939 is 9393941902752.

2572091493939 is a `hidden beast` number, since 2 + 5 + 7 + 20 + 91 + 493 + 9 + 39 = 666.

It is not a de Polignac number, because 2572091493939 - 29 = 2572091493427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2572091493949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12990360982 + ... + 12990361179.

It is an arithmetic number, because the mean of its divisors is an integer number (337749388106).

Almost surely, 22572091493939 is an apocalyptic number.

2572091493939 is a deficient number, since it is larger than the sum of its proper divisors (1480901163333).

2572091493939 is a wasteful number, since it uses less digits than its factorization.

2572091493939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25980722178 (or 25980722175 counting only the distinct ones).

The product of its (nonzero) digits is 33067440, while the sum is 63.

The spelling of 2572091493939 in words is "two trillion, five hundred seventy-two billion, ninety-one million, four hundred ninety-three thousand, nine hundred thirty-nine".

Divisors: 1 3 9 11 33 99 25980722161 77942166483 233826499449 285787943771 857363831313 2572091493939