Base | Representation |
---|---|
bin | 1000011100110111101… |
… | …0111100100111001000 |
3 | 111212202110011021200221 |
4 | 2013031322330213020 |
5 | 4334321301441124 |
6 | 150410533435424 |
7 | 13326624416215 |
oct | 2071572744710 |
9 | 455673137627 |
10 | 145188702664 |
11 | 56635268265 |
12 | 2417b49bb74 |
13 | 108ca850965 |
14 | 70547b0b0c |
15 | 3b9b4eece4 |
hex | 21cdebc9c8 |
145188702664 has 32 divisors (see below), whose sum is σ = 272883362400. Its totient is φ = 72420006400.
The previous prime is 145188702661. The next prime is 145188702677. The reversal of 145188702664 is 466207881541.
It is not an unprimeable number, because it can be changed into a prime (145188702661) 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, 6246264 + ... + 6269464.
It is an arithmetic number, because the mean of its divisors is an integer number (8527605075).
Almost surely, 2145188702664 is an apocalyptic number.
It is an amenable number.
145188702664 is a deficient number, since it is larger than the sum of its proper divisors (127694659736).
145188702664 is a wasteful number, since it uses less digits than its factorization.
145188702664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25053 (or 25049 counting only the distinct ones).
The product of its (nonzero) digits is 2580480, while the sum is 52.
The spelling of 145188702664 in words is "one hundred forty-five billion, one hundred eighty-eight million, seven hundred two thousand, six hundred sixty-four".
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