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2061246940839 = 32395189579539
BaseRepresentation
bin11101111111101011111…
…001000100011010100111
321022001102211202210222100
4131333223321010122213
5232232413204101324
64214531311303143
7301630422624552
oct35775371043247
97261384683870
102061246940839
11725196185a69
1229359751aab3
1311c4b443c878
1471a9cbb1699
153893ee3e4c9
hex1dfebe446a7

2061246940839 has 12 divisors (see below), whose sum is σ = 2977369363800. Its totient is φ = 1374158778864.

The previous prime is 2061246940817. The next prime is 2061246940873. The reversal of 2061246940839 is 9380496421602.

2061246940839 is a `hidden beast` number, since 2 + 0 + 61 + 2 + 469 + 40 + 83 + 9 = 666.

It is not a de Polignac number, because 2061246940839 - 212 = 2061246936743 is a prime.

It is a super-2 number, since 2×20612469408392 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061246940889) 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, 3266932 + ... + 3846470.

It is an arithmetic number, because the mean of its divisors is an integer number (248114113650).

Almost surely, 22061246940839 is an apocalyptic number.

2061246940839 is a deficient number, since it is larger than the sum of its proper divisors (916122422961).

2061246940839 is a wasteful number, since it uses less digits than its factorization.

2061246940839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974734 (or 974731 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 2061246940839 in words is "two trillion, sixty-one billion, two hundred forty-six million, nine hundred forty thousand, eight hundred thirty-nine".

Divisors: 1 3 9 395189 579539 1185567 1738617 3556701 5215851 229027437871 687082313613 2061246940839