Base | Representation |
---|---|
bin | 1000011100001000011… |
… | …1110010100110101000 |
3 | 111212020122122220000202 |
4 | 2013002013302212220 |
5 | 4333420112233302 |
6 | 150335142451332 |
7 | 13322001660206 |
oct | 2070207624650 |
9 | 455218586022 |
10 | 144990742952 |
11 | 565435491a0 |
12 | 24125133b48 |
13 | 1089882c233 |
14 | 70363a0076 |
15 | 3b88e4a202 |
hex | 21c21f29a8 |
144990742952 has 32 divisors (see below), whose sum is σ = 296641293120. Its totient is φ = 65889479040.
The previous prime is 144990742951. The next prime is 144990742957. The reversal of 144990742952 is 259247099441.
It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (144990742951) 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, 190388 + ... + 571164.
It is an arithmetic number, because the mean of its divisors is an integer number (9270040410).
Almost surely, 2144990742952 is an apocalyptic number.
It is a pronic number, being equal to 380776×380777.
It is an amenable number.
144990742952 is an abundant number, since it is smaller than the sum of its proper divisors (151650550168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144990742952 is a wasteful number, since it uses less digits than its factorization.
144990742952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 385121 (or 385117 counting only the distinct ones).
The product of its (nonzero) digits is 6531840, while the sum is 56.
The spelling of 144990742952 in words is "one hundred forty-four billion, nine hundred ninety million, seven hundred forty-two thousand, nine hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •