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942145066169 = 11932221355573
BaseRepresentation
bin11011011010111000011…
…10001101010010111001
310100001211201011021022222
431231130032031102321
5110414003114104134
62000452050253425
7125032142633366
oct15553416152271
93301751137288
10942145066169
1133361a36789a
12132716587275
136aac8077c98
143385881146d
15197924cda2e
hexdb5c38d4b9

942145066169 has 8 divisors (see below), whose sum is σ = 943362001032. Its totient is φ = 940928849280.

The previous prime is 942145066147. The next prime is 942145066183. The reversal of 942145066169 is 961660541249.

It can be written as a sum of positive squares in 4 ways, for example, as 36769980025 + 905375086144 = 191755^2 + 951512^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 942145066169 - 216 = 942145000633 is a prime.

It is a super-2 number, since 2×9421450661692 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 942145066169.

It is not an unprimeable number, because it can be changed into a prime (942145066769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2471867 + ... + 2827439.

It is an arithmetic number, because the mean of its divisors is an integer number (117920250129).

Almost surely, 2942145066169 is an apocalyptic number.

It is an amenable number.

942145066169 is a deficient number, since it is larger than the sum of its proper divisors (1216934863).

942145066169 is a wasteful number, since it uses less digits than its factorization.

942145066169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358987.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 942145066169 in words is "nine hundred forty-two billion, one hundred forty-five million, sixty-six thousand, one hundred sixty-nine".

Divisors: 1 1193 2221 355573 2649653 424198589 789727633 942145066169