Base | Representation |
---|---|
bin | 1000011101001001000… |
… | …0010100101010001100 |
3 | 111212221111222110100100 |
4 | 2013102100110222030 |
5 | 4334443410240202 |
6 | 150422052131100 |
7 | 13331466440535 |
oct | 2072220245214 |
9 | 455844873310 |
10 | 145261415052 |
11 | 56672311146 |
12 | 2419b906a90 |
13 | 1090c92bc40 |
14 | 70602db68c |
15 | 3ba2ab441c |
hex | 21d2414a8c |
145261415052 has 72 divisors (see below), whose sum is σ = 395605894320. Its totient is φ = 44676374400.
The previous prime is 145261415029. The next prime is 145261415081. The reversal of 145261415052 is 250514162541.
145261415052 is a `hidden beast` number, since 1 + 4 + 5 + 2 + 6 + 141 + 505 + 2 = 666.
It is a super-2 number, since 2×1452614150522 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 145261414998 and 145261415016.
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, 1028302 + ... + 1161002.
It is an arithmetic number, because the mean of its divisors is an integer number (5494526310).
Almost surely, 2145261415052 is an apocalyptic number.
145261415052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
145261415052 is an abundant number, since it is smaller than the sum of its proper divisors (250344479268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145261415052 is a wasteful number, since it uses less digits than its factorization.
145261415052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135063 (or 135058 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 36.
Adding to 145261415052 its reverse (250514162541), we get a palindrome (395775577593).
The spelling of 145261415052 in words is "one hundred forty-five billion, two hundred sixty-one million, four hundred fifteen thousand, fifty-two".
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