Base | Representation |
---|---|
bin | 101111100001010010… |
… | …0110100111101111110 |
3 | 100202101221121011102102 |
4 | 1133002210310331332 |
5 | 3132443430304404 |
6 | 114514105225102 |
7 | 10241601324620 |
oct | 1370244647576 |
9 | 322357534372 |
10 | 102048681854 |
11 | 3a3079030a9 |
12 | 1793ba92192 |
13 | 98140a0222 |
14 | 4d2118cc10 |
15 | 29c401671e |
hex | 17c2934f7e |
102048681854 has 16 divisors (see below), whose sum is σ = 174975559776. Its totient is φ = 43726408800.
The previous prime is 102048681781. The next prime is 102048681857. The reversal of 102048681854 is 458186840201.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 102048681799 and 102048681808.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102048681857) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655577 + ... + 796164.
It is an arithmetic number, because the mean of its divisors is an integer number (10935972486).
Almost surely, 2102048681854 is an apocalyptic number.
102048681854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
102048681854 is a deficient number, since it is larger than the sum of its proper divisors (72926877922).
102048681854 is a wasteful number, since it uses less digits than its factorization.
102048681854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1456771.
The product of its (nonzero) digits is 491520, while the sum is 47.
The spelling of 102048681854 in words is "one hundred two billion, forty-eight million, six hundred eighty-one thousand, eight hundred fifty-four".
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