Search a number
-
+
13940797886 = 243714195449
BaseRepresentation
bin11001111101110111…
…11011000110111110
31022222120001220112122
430332323323012332
5212022321013021
610223155402542
71002315553421
oct147673730676
938876056478
1013940797886
115a04242874
1228508b3452
131412281142
149636a59b8
15568d3bbab
hex33eefb1be

13940797886 has 32 divisors (see below), whose sum is σ = 21754656000. Its totient is φ = 6695156160.

The previous prime is 13940797879. The next prime is 13940797967. The reversal of 13940797886 is 68879704931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2555690 + ... + 2561138.

It is an arithmetic number, because the mean of its divisors is an integer number (679833000).

Almost surely, 213940797886 is an apocalyptic number.

13940797886 is a deficient number, since it is larger than the sum of its proper divisors (7813858114).

13940797886 is a wasteful number, since it uses less digits than its factorization.

13940797886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984.

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 13940797886 in words is "thirteen billion, nine hundred forty million, seven hundred ninety-seven thousand, eight hundred eighty-six".

Divisors: 1 2 43 71 86 142 419 838 3053 5449 6106 10898 18017 29749 36034 59498 234307 386879 468614 773758 1279207 2283131 2558414 4566262 16635797 33271594 98174633 162102301 196349266 324204602 6970398943 13940797886