Base | Representation |
---|---|
bin | 1011101100110100110… |
… | …1101110001101001111 |
3 | 201012211211110020200122 |
4 | 2323031031232031033 |
5 | 11243132411001111 |
6 | 232202100215155 |
7 | 20344151616200 |
oct | 2731515561517 |
9 | 635754406618 |
10 | 201011422031 |
11 | 78280786582 |
12 | 32b5a39a4bb |
13 | 15c55a28254 |
14 | 9a2c5635a7 |
15 | 536715ecdb |
hex | 2ecd36e34f |
201011422031 has 12 divisors (see below), whose sum is σ = 233877836808. Its totient is φ = 172259971632.
The previous prime is 201011422021. The next prime is 201011422061. The reversal of 201011422031 is 130224110102.
It is not a de Polignac number, because 201011422031 - 210 = 201011421007 is a prime.
It is a super-2 number, since 2×2010114220312 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (201011422021) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181601 + ... + 659546.
It is an arithmetic number, because the mean of its divisors is an integer number (19489819734).
Almost surely, 2201011422031 is an apocalyptic number.
201011422031 is a deficient number, since it is larger than the sum of its proper divisors (32866414777).
201011422031 is an equidigital number, since it uses as much as digits as its factorization.
201011422031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 846038 (or 846031 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 201011422031 its reverse (130224110102), we get a palindrome (331235532133).
The spelling of 201011422031 in words is "two hundred one billion, eleven million, four hundred twenty-two thousand, thirty-one".
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