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139151583281 = 3160712895737
BaseRepresentation
bin1000000110011000010…
…1001010100000110001
3111022011201020211210202
42001212011022200301
54234440301131111
6143531513204545
713024206641114
oct2014605124061
9438151224722
10139151583281
11540174940a7
1222b75700755
1310177b89579
146a40a9c57b
1539464d3b3b
hex206614a831

139151583281 has 16 divisors (see below), whose sum is σ = 144013701120. Its totient is φ = 134313258240.

The previous prime is 139151583211. The next prime is 139151583283. The reversal of 139151583281 is 182385151931.

It is a cyclic number.

It is not a de Polignac number, because 139151583281 - 222 = 139147388977 is a prime.

It is a super-2 number, since 2×1391515832812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (139151583283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24252245 + ... + 24257981.

It is an arithmetic number, because the mean of its divisors is an integer number (9000856320).

Almost surely, 2139151583281 is an apocalyptic number.

It is an amenable number.

139151583281 is a deficient number, since it is larger than the sum of its proper divisors (4862117839).

139151583281 is a wasteful number, since it uses less digits than its factorization.

139151583281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7664.

The product of its digits is 259200, while the sum is 47.

The spelling of 139151583281 in words is "one hundred thirty-nine billion, one hundred fifty-one million, five hundred eighty-three thousand, two hundred eighty-one".

Divisors: 1 31 607 1289 5737 18817 39959 177847 782423 3482359 7394993 24255113 107953129 229244783 4488760751 139151583281