Base | Representation |
---|---|
bin | 101111000101000110… |
… | …1110011101100011111 |
3 | 100122222001100210211200 |
4 | 1132022031303230133 |
5 | 3124024344420411 |
6 | 114240210450543 |
7 | 10206300240135 |
oct | 1361215635437 |
9 | 318861323750 |
10 | 101103123231 |
11 | 399720939a0 |
12 | 17717293a53 |
13 | 96c3214b96 |
14 | 4c71773755 |
15 | 296aedae56 |
hex | 178a373b1f |
101103123231 has 24 divisors (see below), whose sum is σ = 168685427664. Its totient is φ = 57670229760.
The previous prime is 101103123229. The next prime is 101103123257. The reversal of 101103123231 is 132321301101.
101103123231 is a `hidden beast` number, since 10 + 110 + 312 + 3 + 231 = 666.
It is not a de Polignac number, because 101103123231 - 21 = 101103123229 is a prime.
It is a super-2 number, since 2×1011031232312 (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 (101103125231) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30034896 + ... + 30038261.
It is an arithmetic number, because the mean of its divisors is an integer number (7028559486).
Almost surely, 2101103123231 is an apocalyptic number.
101103123231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
101103123231 is a deficient number, since it is larger than the sum of its proper divisors (67582304433).
101103123231 is a wasteful number, since it uses less digits than its factorization.
101103123231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 60073191 (or 60073188 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 101103123231 its reverse (132321301101), we get a palindrome (233424424332).
The spelling of 101103123231 in words is "one hundred one billion, one hundred three million, one hundred twenty-three thousand, two hundred thirty-one".
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