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942789249601 = 1755458191153
BaseRepresentation
bin11011011100000101001…
…11100100101001000001
310100010111121022011212121
431232002213210221001
5110421313021441401
62001040021324241
7125054124253243
oct15560247445101
93303447264777
10942789249601
1133391aa533a1
12132876266681
136ab9b673604
14338ba1ba093
15197cdd27ca1
hexdb829e4a41

942789249601 has 4 divisors (see below), whose sum is σ = 998247440772. Its totient is φ = 887331058432.

The previous prime is 942789249587. The next prime is 942789249691. The reversal of 942789249601 is 106942987249.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106942987249 = 715277569607.

It can be written as a sum of positive squares in 2 ways, for example, as 534916704400 + 407872545201 = 731380^2 + 638649^2 .

It is a cyclic number.

It is not a de Polignac number, because 942789249601 - 221 = 942787152449 is a prime.

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 942789249601.

It is not an unprimeable number, because it can be changed into a prime (942789249691) 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, 27729095560 + ... + 27729095593.

It is an arithmetic number, because the mean of its divisors is an integer number (249561860193).

Almost surely, 2942789249601 is an apocalyptic number.

It is an amenable number.

942789249601 is a deficient number, since it is larger than the sum of its proper divisors (55458191171).

942789249601 is a wasteful number, since it uses less digits than its factorization.

942789249601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55458191170.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 942789249601 in words is "nine hundred forty-two billion, seven hundred eighty-nine million, two hundred forty-nine thousand, six hundred one".

Divisors: 1 17 55458191153 942789249601