Base | Representation |
---|---|
bin | 1000000101101011000… |
… | …1111110010111110101 |
3 | 111021200111112012011100 |
4 | 2001122301332113311 |
5 | 4234043233102240 |
6 | 143501022000313 |
7 | 13016415353166 |
oct | 2013261762765 |
9 | 437614465140 |
10 | 138962003445 |
11 | 53a2a478a51 |
12 | 22b22116099 |
13 | 10147810155 |
14 | 6a2382d76d |
15 | 3934a36e30 |
hex | 205ac7e5f5 |
138962003445 has 24 divisors (see below), whose sum is σ = 253544709600. Its totient is φ = 70212380256.
The previous prime is 138962003431. The next prime is 138962003447. The reversal of 138962003445 is 544300269831.
138962003445 is a `hidden beast` number, since 13 + 8 + 9 + 620 + 0 + 3 + 4 + 4 + 5 = 666.
It is not a de Polignac number, because 138962003445 - 28 = 138962003189 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 138962003445.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (138962003447) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81263475 + ... + 81265184.
It is an arithmetic number, because the mean of its divisors is an integer number (10564362900).
Almost surely, 2138962003445 is an apocalyptic number.
138962003445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
138962003445 is a deficient number, since it is larger than the sum of its proper divisors (114582706155).
138962003445 is a wasteful number, since it uses less digits than its factorization.
138962003445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162528689 (or 162528686 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 45.
The spelling of 138962003445 in words is "one hundred thirty-eight billion, nine hundred sixty-two million, three thousand, four hundred forty-five".
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