Base | Representation |
---|---|
bin | 10001011110111010110… |
… | …111101010100101010110 |
3 | 11020212002210102222020100 |
4 | 101132322313222211112 |
5 | 124141012320430402 |
6 | 2315532500314530 |
7 | 152541403154322 |
oct | 21367267524526 |
9 | 4225083388210 |
10 | 1201431030102 |
11 | 42358454a1a6 |
12 | 174a189a2a46 |
13 | 893a9c0c294 |
14 | 422145d6982 |
15 | 213ba65e71c |
hex | 117badea956 |
1201431030102 has 24 divisors (see below), whose sum is σ = 2663637789384. Its totient is φ = 391163590944.
The previous prime is 1201431030101. The next prime is 1201431030113. The reversal of 1201431030102 is 2010301341021.
1201431030102 is a `hidden beast` number, since 1 + 201 + 431 + 0 + 30 + 1 + 0 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1201431030101) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 776117463 + ... + 776119010.
It is an arithmetic number, because the mean of its divisors is an integer number (110984907891).
Almost surely, 21201431030102 is an apocalyptic number.
1201431030102 is an abundant number, since it is smaller than the sum of its proper divisors (1462206759282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1201431030102 is a wasteful number, since it uses less digits than its factorization.
1201431030102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1552236524 (or 1552236521 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 1201431030102 its reverse (2010301341021), we get a palindrome (3211732371123).
The spelling of 1201431030102 in words is "one trillion, two hundred one billion, four hundred thirty-one million, thirty thousand, one hundred two".
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