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126852706481 = 316340105187
BaseRepresentation
bin111011000100100000…
…0101011000010110001
3110010102120202011120012
41312021000223002301
54034243243101411
6134135245424305
712110346133334
oct1661100530261
9403376664505
10126852706481
1149886055a06
122070286b095
13bc67b2b287
1461d54c061b
1534768c718b
hex1d8902b0b1

126852706481 has 4 divisors (see below), whose sum is σ = 126892814832. Its totient is φ = 126812598132.

The previous prime is 126852706451. The next prime is 126852706483. The reversal of 126852706481 is 184607258621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-126852706481 is a prime.

It is a super-2 number, since 2×1268527064812 (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 (126852706483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20049431 + ... + 20055756.

It is an arithmetic number, because the mean of its divisors is an integer number (31723203708).

Almost surely, 2126852706481 is an apocalyptic number.

It is an amenable number.

126852706481 is a deficient number, since it is larger than the sum of its proper divisors (40108351).

126852706481 is an equidigital number, since it uses as much as digits as its factorization.

126852706481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40108350.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 126852706481 in words is "one hundred twenty-six billion, eight hundred fifty-two million, seven hundred six thousand, four hundred eighty-one".

Divisors: 1 3163 40105187 126852706481