Base | Representation |
---|---|
bin | 101111111110010001… |
… | …0011110010110000001 |
3 | 100211220201110022220122 |
4 | 1133330202132112001 |
5 | 3141441403042200 |
6 | 115154404350025 |
7 | 10304650161554 |
oct | 1377442362601 |
9 | 324821408818 |
10 | 103021143425 |
11 | 3a766827952 |
12 | 17b716a5315 |
13 | 993a6b7985 |
14 | 4db43ac69b |
15 | 2a2e5a8385 |
hex | 17fc89e581 |
103021143425 has 24 divisors (see below), whose sum is σ = 130213630080. Its totient is φ = 80831537600.
The previous prime is 103021143391. The next prime is 103021143451. The reversal of 103021143425 is 524341120301.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-103021143425 is a prime.
It is a super-2 number, since 2×1030211434252 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 103021143394 and 103021143403.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554699 + ... + 716751.
It is an arithmetic number, because the mean of its divisors is an integer number (5425567920).
Almost surely, 2103021143425 is an apocalyptic number.
It is an amenable number.
103021143425 is a deficient number, since it is larger than the sum of its proper divisors (27192486655).
103021143425 is a wasteful number, since it uses less digits than its factorization.
103021143425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162553 (or 162548 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 26.
Adding to 103021143425 its reverse (524341120301), we get a palindrome (627362263726).
The spelling of 103021143425 in words is "one hundred three billion, twenty-one million, one hundred forty-three thousand, four hundred twenty-five".
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