Base | Representation |
---|---|
bin | 101111101101000110… |
… | …1001100100111010011 |
3 | 100210102120121100100120 |
4 | 1133122031030213103 |
5 | 3134301423443220 |
6 | 115021310521323 |
7 | 10254454216551 |
oct | 1373215144723 |
9 | 323376540316 |
10 | 102445140435 |
11 | 3a4a067a320 |
12 | 17a30806243 |
13 | 98782718c1 |
14 | 4d5bab0bd1 |
15 | 29e8c2aa40 |
hex | 17da34c9d3 |
102445140435 has 16 divisors (see below), whose sum is σ = 178813336320. Its totient is φ = 49670371040.
The previous prime is 102445140389. The next prime is 102445140437. The reversal of 102445140435 is 534041544201.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-102445140435 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a junction number, because it is equal to n+sod(n) for n = 102445140396 and 102445140405.
It is not an unprimeable number, because it can be changed into a prime (102445140437) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310439655 + ... + 310439984.
It is an arithmetic number, because the mean of its divisors is an integer number (11175833520).
Almost surely, 2102445140435 is an apocalyptic number.
102445140435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
102445140435 is a deficient number, since it is larger than the sum of its proper divisors (76368195885).
102445140435 is a wasteful number, since it uses less digits than its factorization.
102445140435 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 620879658.
The product of its (nonzero) digits is 38400, while the sum is 33.
Adding to 102445140435 its reverse (534041544201), we get a palindrome (636486684636).
The spelling of 102445140435 in words is "one hundred two billion, four hundred forty-five million, one hundred forty thousand, four hundred thirty-five".
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