Base | Representation |
---|---|
bin | 11101100011110001011… |
… | …010010000001100000101 |
3 | 21012012002000211000012201 |
4 | 131203301122100030011 |
5 | 231240022314123241 |
6 | 4153053231314501 |
7 | 266516611351204 |
oct | 35436132201405 |
9 | 7165060730181 |
10 | 2031274754821 |
11 | 713505709aa4 |
12 | 28981197ba31 |
13 | 119718a65760 |
14 | 7045832723b |
15 | 37c889ab931 |
hex | 1d8f1690305 |
2031274754821 has 8 divisors (see below), whose sum is σ = 2258092035584. Its totient is φ = 1814538242160.
The previous prime is 2031274754807. The next prime is 2031274754843. The reversal of 2031274754821 is 1284574721302.
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 2031274754821 - 221 = 2031272657669 is a prime.
It is a super-2 number, since 2×20312747548212 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2031274754891) 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, 2520191601 + ... + 2520192406.
It is an arithmetic number, because the mean of its divisors is an integer number (282261504448).
Almost surely, 22031274754821 is an apocalyptic number.
It is an amenable number.
2031274754821 is a deficient number, since it is larger than the sum of its proper divisors (226817280763).
2031274754821 is a wasteful number, since it uses less digits than its factorization.
2031274754821 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5040384051.
The product of its (nonzero) digits is 752640, while the sum is 46.
The spelling of 2031274754821 in words is "two trillion, thirty-one billion, two hundred seventy-four million, seven hundred fifty-four thousand, eight hundred twenty-one".
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