Base | Representation |
---|---|
bin | 11011111111000001001… |
… | …001000111000110010100 |
3 | 20210211211111120021120221 |
4 | 123333001021013012110 |
5 | 223001442214203442 |
6 | 4031242233204124 |
7 | 255636660566440 |
oct | 33770111070624 |
9 | 6724744507527 |
10 | 1923090772372 |
11 | 68163a673840 |
12 | 27085b260644 |
13 | 10c467876463 |
14 | 691143c9820 |
15 | 35056033467 |
hex | 1bfc1247194 |
1923090772372 has 96 divisors (see below), whose sum is σ = 4220723082240. Its totient is φ = 744814656000.
The previous prime is 1923090772367. The next prime is 1923090772391. The reversal of 1923090772372 is 2732770903291.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276262972 + ... + 276269932.
It is an arithmetic number, because the mean of its divisors is an integer number (43965865440).
Almost surely, 21923090772372 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1923090772372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2110361541120).
1923090772372 is an abundant number, since it is smaller than the sum of its proper divisors (2297632309868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1923090772372 is a wasteful number, since it uses less digits than its factorization.
1923090772372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12173 (or 12171 counting only the distinct ones).
The product of its (nonzero) digits is 2000376, while the sum is 52.
The spelling of 1923090772372 in words is "one trillion, nine hundred twenty-three billion, ninety million, seven hundred seventy-two thousand, three hundred seventy-two".
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