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12887166341 = 737267718587
BaseRepresentation
bin11000000000010001…
…01000110110000101
31020021010110212210002
430000020220312011
5202343103310331
65530440411045
7634233051350
oct140010506605
936233425702
1012887166341
1155135188a5
1225b7a76a85
1312a4bb691a
148a3797297
155065b49cb
hex300228d85

12887166341 has 16 divisors (see below), whose sum is σ = 15132713856. Its totient is φ = 10743005376.

The previous prime is 12887166283. The next prime is 12887166359. The reversal of 12887166341 is 14366178821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12887166341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12887166361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684050 + ... + 702636.

It is an arithmetic number, because the mean of its divisors is an integer number (945794616).

Almost surely, 212887166341 is an apocalyptic number.

It is an amenable number.

12887166341 is a deficient number, since it is larger than the sum of its proper divisors (2245547515).

12887166341 is a wasteful number, since it uses less digits than its factorization.

12887166341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21308.

The product of its digits is 387072, while the sum is 47.

The spelling of 12887166341 in words is "twelve billion, eight hundred eighty-seven million, one hundred sixty-six thousand, three hundred forty-one".

Divisors: 1 7 37 259 2677 18587 18739 99049 130109 687719 693343 4814033 49757399 348301793 1841023763 12887166341