Base | Representation |
---|---|
bin | 10010111100011111… |
… | …010111111001100000 |
3 | 1221111200110100022112 |
4 | 102330133113321200 |
5 | 313130101211034 |
6 | 13202312054452 |
7 | 1320045635054 |
oct | 227437277140 |
9 | 57450410275 |
10 | 20342210144 |
11 | 8699713623 |
12 | 3b38694428 |
13 | 1bc2564249 |
14 | dad925c64 |
15 | 7e0d167ce |
hex | 4bc7d7e60 |
20342210144 has 24 divisors (see below), whose sum is σ = 40052669328. Its totient is φ = 10170103680.
The previous prime is 20342210143. The next prime is 20342210153. The reversal of 20342210144 is 44101224302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20342210143) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383309 + ... + 433139.
It is an arithmetic number, because the mean of its divisors is an integer number (1668861222).
Almost surely, 220342210144 is an apocalyptic number.
It is an amenable number.
20342210144 is a deficient number, since it is larger than the sum of its proper divisors (19710459184).
20342210144 is a wasteful number, since it uses less digits than its factorization.
20342210144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62598 (or 62590 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
Adding to 20342210144 its reverse (44101224302), we get a palindrome (64443434446).
The spelling of 20342210144 in words is "twenty billion, three hundred forty-two million, two hundred ten thousand, one hundred forty-four".
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