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126070444081 is a prime number
BaseRepresentation
bin111010101101001100…
…0100101000000110001
3110001102001210010021201
41311122120211000301
54031143013202311
6133525503051201
712052100044051
oct1653230450061
9401361703251
10126070444081
114951452a65a
12205248a0b01
13bb71a48b0a
14615d651561
15342cda59c1
hex1d5a625031

126070444081 has 2 divisors, whose sum is σ = 126070444082. Its totient is φ = 126070444080.

The previous prime is 126070444069. The next prime is 126070444117. The reversal of 126070444081 is 180444070621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123650689600 + 2419754481 = 351640^2 + 49191^2 .

It is a cyclic number.

It is not a de Polignac number, because 126070444081 - 27 = 126070443953 is a prime.

It is a super-2 number, since 2×1260704440812 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 126070444081.

It is not a weakly prime, because it can be changed into another prime (126070444021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63035222040 + 63035222041.

It is an arithmetic number, because the mean of its divisors is an integer number (63035222041).

Almost surely, 2126070444081 is an apocalyptic number.

It is an amenable number.

126070444081 is a deficient number, since it is larger than the sum of its proper divisors (1).

126070444081 is an equidigital number, since it uses as much as digits as its factorization.

126070444081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 126070444081 in words is "one hundred twenty-six billion, seventy million, four hundred forty-four thousand, eighty-one".