Base | Representation |
---|---|
bin | 1000011111110001001… |
… | …0101111101011001100 |
3 | 111221202200002021220100 |
4 | 2013330102233223030 |
5 | 4342414433134233 |
6 | 151020044451100 |
7 | 13355122263630 |
oct | 2077422575314 |
9 | 457680067810 |
10 | 145966693068 |
11 | 569a4435a39 |
12 | 24357b49a90 |
13 | 109c2a98801 |
14 | 70c9c4adc0 |
15 | 3be497a813 |
hex | 21fc4afacc |
145966693068 has 72 divisors (see below), whose sum is σ = 422592654848. Its totient is φ = 41614661088.
The previous prime is 145966693063. The next prime is 145966693091. The reversal of 145966693068 is 860396669541.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a junction number, because it is equal to n+sod(n) for n = 145966692996 and 145966693014.
It is not an unprimeable number, because it can be changed into a prime (145966693063) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508846 + ... + 742197.
Almost surely, 2145966693068 is an apocalyptic number.
145966693068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
145966693068 is an abundant number, since it is smaller than the sum of its proper divisors (276625961780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145966693068 is a wasteful number, since it uses less digits than its factorization.
145966693068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1251523 (or 1251518 counting only the distinct ones).
The product of its (nonzero) digits is 50388480, while the sum is 63.
The spelling of 145966693068 in words is "one hundred forty-five billion, nine hundred sixty-six million, six hundred ninety-three thousand, sixty-eight".
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