Base | Representation |
---|---|
bin | 1100011101010010100… |
… | …1010101011100010111 |
3 | 202110102111021102210222 |
4 | 3013110221111130113 |
5 | 12001303334044111 |
6 | 242153032504555 |
7 | 21314432336603 |
oct | 3072451253427 |
9 | 673374242728 |
10 | 214021003031 |
11 | 82847305310 |
12 | 3558b24b15b |
13 | 1724a0a2b84 |
14 | a5042a4503 |
15 | 58793557db |
hex | 31d4a55717 |
214021003031 has 4 divisors (see below), whose sum is σ = 233477457864. Its totient is φ = 194564548200.
The previous prime is 214021002997. The next prime is 214021003037. The reversal of 214021003031 is 130300120412.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 214021003031 - 210 = 214021002007 is a prime.
It is a super-2 number, since 2×2140210030312 (a number of 23 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 (214021003037) 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, 9728227400 + ... + 9728227421.
It is an arithmetic number, because the mean of its divisors is an integer number (58369364466).
Almost surely, 2214021003031 is an apocalyptic number.
214021003031 is a deficient number, since it is larger than the sum of its proper divisors (19456454833).
214021003031 is a wasteful number, since it uses less digits than its factorization.
214021003031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19456454832.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 214021003031 its reverse (130300120412), we get a palindrome (344321123443).
The spelling of 214021003031 in words is "two hundred fourteen billion, twenty-one million, three thousand, thirty-one".
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