Base | Representation |
---|---|
bin | 101111100000101111… |
… | …0011101100110001000 |
3 | 100202100122220000112010 |
4 | 1133001132131212020 |
5 | 3132424220023130 |
6 | 114512210015520 |
7 | 10241255461005 |
oct | 1370136354610 |
9 | 322318800463 |
10 | 102030236040 |
11 | 3a2a8454527 |
12 | 179358775a0 |
13 | 9810312345 |
14 | 4d1c94a8ac |
15 | 29c25c10b0 |
hex | 17c179d988 |
102030236040 has 64 divisors (see below), whose sum is σ = 306151675200. Its totient is φ = 27202643712.
The previous prime is 102030236027. The next prime is 102030236051. The reversal of 102030236040 is 40632030201.
It is a happy number.
It is a super-2 number, since 2×1020302360402 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 102030235998 and 102030236016.
It is an unprimeable number.
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, 539394 + ... + 703566.
It is an arithmetic number, because the mean of its divisors is an integer number (4783619925).
Almost surely, 2102030236040 is an apocalyptic number.
102030236040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
102030236040 is an abundant number, since it is smaller than the sum of its proper divisors (204121439160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102030236040 is a wasteful number, since it uses less digits than its factorization.
102030236040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 169366 (or 169362 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 102030236040 its reverse (40632030201), we get a palindrome (142662266241).
The spelling of 102030236040 in words is "one hundred two billion, thirty million, two hundred thirty-six thousand, forty".
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