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922442138797 = 7571218549721
BaseRepresentation
bin11010110110001011101…
…01100000010010101101
310021011222120121212010011
431123011311200102231
5110103130141420142
61543433012213221
7123433655544424
oct15330565402255
93234876555104
10922442138797
113262295a2943
1212a93800a211
1368ca80b488a
1432909b7a2bb
1518edc894417
hexd6c5d604ad

922442138797 has 4 divisors (see below), whose sum is σ = 923660689276. Its totient is φ = 921223588320.

The previous prime is 922442138789. The next prime is 922442138843. The reversal of 922442138797 is 797831244229.

922442138797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 797831244229 = 5596714255387.

It can be written as a sum of positive squares in 2 ways, for example, as 250614376996 + 671827761801 = 500614^2 + 819651^2 .

It is a cyclic number.

It is not a de Polignac number, because 922442138797 - 23 = 922442138789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (922442138767) 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, 609274104 + ... + 609275617.

It is an arithmetic number, because the mean of its divisors is an integer number (230915172319).

Almost surely, 2922442138797 is an apocalyptic number.

It is an amenable number.

922442138797 is a deficient number, since it is larger than the sum of its proper divisors (1218550479).

922442138797 is a wasteful number, since it uses less digits than its factorization.

922442138797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218550478.

The product of its digits is 12192768, while the sum is 58.

The spelling of 922442138797 in words is "nine hundred twenty-two billion, four hundred forty-two million, one hundred thirty-eight thousand, seven hundred ninety-seven".

Divisors: 1 757 1218549721 922442138797