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4069711639 = 71396176779
BaseRepresentation
bin1111001010010010…
…1101111100010111
3101111121212202211201
43302210231330113
531313321233024
61511500013331
7202564656340
oct36244557427
911447782751
104069711639
1117a9278654
12956b31247
134cb1bbbc6
142a86dd0c7
1518c445744
hexf292df17

4069711639 has 16 divisors (see below), whose sum is σ = 4692844800. Its totient is φ = 3457105344.

The previous prime is 4069711603. The next prime is 4069711643. The reversal of 4069711639 is 9361179604.

It is a happy number.

It is not a de Polignac number, because 4069711639 - 213 = 4069703447 is a prime.

It is a super-2 number, since 2×40697116392 = 33125105649224132642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4069711739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 596952 + ... + 603730.

It is an arithmetic number, because the mean of its divisors is an integer number (293302800).

Almost surely, 24069711639 is an apocalyptic number.

4069711639 is a deficient number, since it is larger than the sum of its proper divisors (623133161).

4069711639 is a wasteful number, since it uses less digits than its factorization.

4069711639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 4069711639 is about 63794.2915863167. The cubic root of 4069711639 is about 1596.5696871802.

The spelling of 4069711639 in words is "four billion, sixty-nine million, seven hundred eleven thousand, six hundred thirty-nine".

Divisors: 1 7 139 617 973 4319 6779 47453 85763 600341 942281 4182643 6595967 29278501 581387377 4069711639