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1020869147726 = 22964371721899
BaseRepresentation
bin11101101101100001000…
…10101111110001001110
310121121001010101222021022
432312300202233301032
5113211220000211401
62100551504434142
7133520042403221
oct16666042576116
93547033358238
101020869147726
11363a4802451a
12145a27018952
1375362a56c6c
14375a5d375b8
151b84d96771b
hexedb08afc4e

1020869147726 has 8 divisors (see below), whose sum is σ = 1531309776600. Its totient is φ = 510432555528.

The previous prime is 1020869147723. The next prime is 1020869147731. The reversal of 1020869147726 is 6277419680201.

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

It is a super-2 number, since 2×10208691477262 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020869147723) 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, 268076 + ... + 1453823.

It is an arithmetic number, because the mean of its divisors is an integer number (191413722075).

Almost surely, 21020869147726 is an apocalyptic number.

1020869147726 is a deficient number, since it is larger than the sum of its proper divisors (510440628874).

1020869147726 is a wasteful number, since it uses less digits than its factorization.

1020869147726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018338.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 1020869147726 in words is "one trillion, twenty billion, eight hundred sixty-nine million, one hundred forty-seven thousand, seven hundred twenty-six".

Divisors: 1 2 296437 592874 1721899 3443798 510434573863 1020869147726