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2061430839 = 3213313715361
BaseRepresentation
bin111101011011110…
…1111000000110111
312022122221112111100
41322313233000313
513210211241324
6540315341143
7102040605306
oct17267570067
95278845440
102061430839
11968695556
124964517b3
1326b105680
14157aca43d
15c0e994c9
hex7adef037

2061430839 has 48 divisors (see below), whose sum is σ = 3399794944. Its totient is φ = 1194393600.

The previous prime is 2061430823. The next prime is 2061430849. The reversal of 2061430839 is 9380341602.

2061430839 is a `hidden beast` number, since 2 + 0 + 614 + 3 + 0 + 8 + 39 = 666.

It is not a de Polignac number, because 2061430839 - 24 = 2061430823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061430849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126519 + ... + 141879.

Almost surely, 22061430839 is an apocalyptic number.

2061430839 is a deficient number, since it is larger than the sum of its proper divisors (1338364105).

2061430839 is a wasteful number, since it uses less digits than its factorization.

2061430839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15448 (or 15445 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2061430839 is about 45402.9827103903. The cubic root of 2061430839 is about 1272.6908534274.

The spelling of 2061430839 in words is "two billion, sixty-one million, four hundred thirty thousand, eight hundred thirty-nine".

Divisors: 1 3 9 13 31 37 39 93 111 117 279 333 403 481 1147 1209 1443 3441 3627 4329 10323 14911 15361 44733 46083 134199 138249 199693 476191 568357 599079 1428573 1705071 1797237 4285719 5115213 6190483 7388641 17619067 18571449 22165923 52857201 55714347 66497769 158571603 229047871 687143613 2061430839