Base | Representation |
---|---|
bin | 100111010000100001… |
… | …000110000111110100 |
3 | 11000210201101102110100 |
4 | 213100201012013310 |
5 | 1142312134324140 |
6 | 31210445554100 |
7 | 3021406643256 |
oct | 472041060764 |
9 | 130721342410 |
10 | 42153042420 |
11 | 16971325745 |
12 | 8204b75930 |
13 | 3c8a152568 |
14 | 207c503cd6 |
15 | 116aa2a530 |
hex | 9d08461f4 |
42153042420 has 72 divisors (see below), whose sum is σ = 134593935840. Its totient is φ = 10649188800.
The previous prime is 42153042383. The next prime is 42153042431. The reversal of 42153042420 is 2424035124.
42153042420 is a `hidden beast` number, since 4 + 215 + 3 + 0 + 424 + 20 = 666.
It is a congruent number.
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, 6159306 + ... + 6166145.
It is an arithmetic number, because the mean of its divisors is an integer number (1869360220).
Almost surely, 242153042420 is an apocalyptic number.
It is an amenable number.
42153042420 is an abundant number, since it is smaller than the sum of its proper divisors (92440893420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42153042420 is a wasteful number, since it uses less digits than its factorization.
42153042420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12325485 (or 12325480 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
Adding to 42153042420 its reverse (2424035124), we get a palindrome (44577077544).
The spelling of 42153042420 in words is "forty-two billion, one hundred fifty-three million, forty-two thousand, four hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •