| Base | Representation |
|---|---|
| bin | 10011110100101000… |
| … | …01011001011111000 |
| 3 | 1000110122212211102110 |
| 4 | 21322110023023320 |
| 5 | 133243330344030 |
| 6 | 4515555532320 |
| 7 | 524501610204 |
| oct | 117224131370 |
| 9 | 30418784373 |
| 10 | 10642043640 |
| 11 | 4571179998 |
| 12 | 208bbba0a0 |
| 13 | 1007a16b57 |
| 14 | 72d531b04 |
| 15 | 4244331b0 |
| hex | 27a50b2f8 |
10642043640 has 128 divisors (see below), whose sum is σ = 34426425600. Its totient is φ = 2622919680.
The previous prime is 10642043617. The next prime is 10642043647. The reversal of 10642043640 is 4634024601.
10642043640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×106420436402 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 10642043598 and 10642043607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10642043647) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36559 + ... + 150401.
It is an arithmetic number, because the mean of its divisors is an integer number (268956450).
Almost surely, 210642043640 is an apocalyptic number.
10642043640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10642043640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17213212800).
10642043640 is an abundant number, since it is smaller than the sum of its proper divisors (23784381960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10642043640 is a wasteful number, since it uses less digits than its factorization.
10642043640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113917 (or 113913 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 30.
The spelling of 10642043640 in words is "ten billion, six hundred forty-two million, forty-three thousand, six hundred forty".
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