Base | Representation |
---|---|
bin | 101111000010101100… |
… | …0110011100100100111 |
3 | 100122202101221102121120 |
4 | 1132011120303210213 |
5 | 3123343130321411 |
6 | 114224154345023 |
7 | 10204264565604 |
oct | 1360530634447 |
9 | 318671842546 |
10 | 101022120231 |
11 | 3993039816a |
12 | 176b412b173 |
13 | 96ac4c3106 |
14 | 4c64ac96ab |
15 | 2963d3a106 |
hex | 1785633927 |
101022120231 has 16 divisors (see below), whose sum is σ = 141218661120. Its totient is φ = 64114585920.
The previous prime is 101022120217. The next prime is 101022120239. The reversal of 101022120231 is 132021220101.
It is not a de Polignac number, because 101022120231 - 29 = 101022119719 is a prime.
It is a super-2 number, since 2×1010221202312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 101022120231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101022120239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3454846 + ... + 3483963.
It is an arithmetic number, because the mean of its divisors is an integer number (8826166320).
Almost surely, 2101022120231 is an apocalyptic number.
101022120231 is a deficient number, since it is larger than the sum of its proper divisors (40196540889).
101022120231 is a wasteful number, since it uses less digits than its factorization.
101022120231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6939046.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 101022120231 its reverse (132021220101), we get a palindrome (233043340332).
The spelling of 101022120231 in words is "one hundred one billion, twenty-two million, one hundred twenty thousand, two hundred thirty-one".
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