Base | Representation |
---|---|
bin | 10010000010101110101… |
… | …10011100011110011100 |
3 | 2012021011201222020221020 |
4 | 21001113112130132130 |
5 | 40124114320322340 |
6 | 1152444042404140 |
7 | 62534465534331 |
oct | 11012726343634 |
9 | 2167151866836 |
10 | 619940792220 |
11 | 219a08462972 |
12 | a0194b00650 |
13 | 465c9ca4949 |
14 | 22010756988 |
15 | 111d57e09d0 |
hex | 905759c79c |
619940792220 has 96 divisors (see below), whose sum is σ = 1744644631296. Its totient is φ = 164478988800.
The previous prime is 619940792203. The next prime is 619940792221. The reversal of 619940792220 is 22297049916.
619940792220 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 2×6199407922202 (a number of 24 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (619940792221) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49760232 + ... + 49772688.
It is an arithmetic number, because the mean of its divisors is an integer number (18173381576).
Almost surely, 2619940792220 is an apocalyptic number.
619940792220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
619940792220 is an abundant number, since it is smaller than the sum of its proper divisors (1124703839076).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
619940792220 is a wasteful number, since it uses less digits than its factorization.
619940792220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16611 (or 16609 counting only the distinct ones).
The product of its (nonzero) digits is 979776, while the sum is 51.
The spelling of 619940792220 in words is "six hundred nineteen billion, nine hundred forty million, seven hundred ninety-two thousand, two hundred twenty".
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