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126162045385 = 525232409077
BaseRepresentation
bin111010101111111011…
…0000000100111001001
3110001122110010221122121
41311133312000213021
54031334440423020
6133542534251241
712054261456205
oct1653766004711
9401573127577
10126162045385
1149561205012
122054b4b6b21
13bb87a0b87c
14616b897b05
153435e4bbaa
hex1d5fd809c9

126162045385 has 4 divisors (see below), whose sum is σ = 151394454468. Its totient is φ = 100929636304.

The previous prime is 126162045377. The next prime is 126162045389. The reversal of 126162045385 is 583540261621.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58597400761 + 67564644624 = 242069^2 + 259932^2 .

It is a cyclic number.

It is not a de Polignac number, because 126162045385 - 23 = 126162045377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126162045389) 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, 12616204534 + ... + 12616204543.

It is an arithmetic number, because the mean of its divisors is an integer number (37848613617).

Almost surely, 2126162045385 is an apocalyptic number.

It is an amenable number.

126162045385 is a deficient number, since it is larger than the sum of its proper divisors (25232409083).

126162045385 is an equidigital number, since it uses as much as digits as its factorization.

126162045385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25232409082.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 126162045385 in words is "one hundred twenty-six billion, one hundred sixty-two million, forty-five thousand, three hundred eighty-five".

Divisors: 1 5 25232409077 126162045385