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125003241361 = 165247756463
BaseRepresentation
bin111010001101011000…
…1100001011110010001
3102221122200122121101001
41310122301201132101
54022001312210421
6133231541142001
712013461006625
oct1643261413621
9387580577331
10125003241361
1149017086439
12202873ba901
13ba3190c40b
14609ba0d185
1533b934c691
hex1d1ac61791

125003241361 has 4 divisors (see below), whose sum is σ = 125004163072. Its totient is φ = 125002319652.

The previous prime is 125003241353. The next prime is 125003241439. The reversal of 125003241361 is 163142300521.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 125003241361 - 23 = 125003241353 is a prime.

It is a super-2 number, since 2×1250032413612 (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 (125003241061) 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, 212985 + ... + 543478.

It is an arithmetic number, because the mean of its divisors is an integer number (31251040768).

Almost surely, 2125003241361 is an apocalyptic number.

It is an amenable number.

125003241361 is a deficient number, since it is larger than the sum of its proper divisors (921711).

125003241361 is an equidigital number, since it uses as much as digits as its factorization.

125003241361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921710.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 125003241361 its reverse (163142300521), we get a palindrome (288145541882).

The spelling of 125003241361 in words is "one hundred twenty-five billion, three million, two hundred forty-one thousand, three hundred sixty-one".

Divisors: 1 165247 756463 125003241361