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12434060671 = 78721157951
BaseRepresentation
bin10111001010010000…
…01011010101111111
31012002112212201122121
423211020023111333
5200431104420141
65413453023411
7620061525514
oct134510132577
935075781577
1012434060671
1153007808aa
1224b0184b67
131232070466
1485d52b30b
154cb9111d1
hex2e520b57f

12434060671 has 4 divisors (see below), whose sum is σ = 12434297344. Its totient is φ = 12433824000.

The previous prime is 12434060657. The next prime is 12434060687. The reversal of 12434060671 is 17606043421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12434060671 - 227 = 12299842943 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 (12434090671) 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 3 ways as a sum of consecutive naturals, for example, 255 + ... + 157696.

It is an arithmetic number, because the mean of its divisors is an integer number (3108574336).

Almost surely, 212434060671 is an apocalyptic number.

12434060671 is a deficient number, since it is larger than the sum of its proper divisors (236673).

12434060671 is an equidigital number, since it uses as much as digits as its factorization.

12434060671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236672.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 12434060671 in words is "twelve billion, four hundred thirty-four million, sixty thousand, six hundred seventy-one".

Divisors: 1 78721 157951 12434060671