Base | Representation |
---|---|
bin | 1000011101110001110… |
… | …1000000011011111110 |
3 | 111220101102221002120202 |
4 | 2013130131000123332 |
5 | 4340321210343004 |
6 | 150451043243502 |
7 | 13335644646311 |
oct | 2073435003376 |
9 | 456342832522 |
10 | 145432512254 |
11 | 5674a952a97 |
12 | 24229079592 |
13 | 109392067a3 |
14 | 7078d18978 |
15 | 3bb2b0eb1e |
hex | 21dc7406fe |
145432512254 has 12 divisors (see below), whose sum is σ = 231735889824. Its totient is φ = 68438829024.
The previous prime is 145432512241. The next prime is 145432512287. The reversal of 145432512254 is 452215234541.
It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125806094 + ... + 125807249.
It is an arithmetic number, because the mean of its divisors is an integer number (19311324152).
Almost surely, 2145432512254 is an apocalyptic number.
145432512254 is a deficient number, since it is larger than the sum of its proper divisors (86303377570).
145432512254 is a wasteful number, since it uses less digits than its factorization.
145432512254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 251613379 (or 251613362 counting only the distinct ones).
The product of its digits is 192000, while the sum is 38.
Adding to 145432512254 its reverse (452215234541), we get a palindrome (597647746795).
The spelling of 145432512254 in words is "one hundred forty-five billion, four hundred thirty-two million, five hundred twelve thousand, two hundred fifty-four".
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