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126768138448895 = 5232750910893031
BaseRepresentation
bin11100110100101110000001…
…110111000110111111111111
3121121211220201112022211101222
4130310232001313012333333
5113103432121420331040
61125340251232423555
735462460434606666
oct3464560167067777
9547756645284358
10126768138448895
113743507a352439
12122746210a7bbb
1355972517accc8
14234387983dddd
15e9c7e4640bb5
hex734b81dc6fff

126768138448895 has 8 divisors (see below), whose sum is σ = 152121845461920. Its totient is φ = 101414457876960.

The previous prime is 126768138448879. The next prime is 126768138448921. The reversal of 126768138448895 is 598844831867621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126768138448895 - 24 = 126768138448879 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6191030 + ... + 17084060.

It is an arithmetic number, because the mean of its divisors is an integer number (19015230682740).

Almost surely, 2126768138448895 is an apocalyptic number.

126768138448895 is a deficient number, since it is larger than the sum of its proper divisors (25353707013025).

126768138448895 is a wasteful number, since it uses less digits than its factorization.

126768138448895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13220545.

The product of its digits is 4459069440, while the sum is 80.

The spelling of 126768138448895 in words is "one hundred twenty-six trillion, seven hundred sixty-eight billion, one hundred thirty-eight million, four hundred forty-eight thousand, eight hundred ninety-five".

Divisors: 1 5 2327509 10893031 11637545 54465155 25353627689779 126768138448895