Base | Representation |
---|---|
bin | 11011110000110110001… |
… | …010100100100110000100 |
3 | 20202101120000221100110201 |
4 | 123300312022210212010 |
5 | 222224311300023140 |
6 | 4020244301500244 |
7 | 254560621204300 |
oct | 33606612444604 |
9 | 6671500840421 |
10 | 1907874220420 |
11 | 676141294073 |
12 | 269913271684 |
13 | 10abb11c926c |
14 | 684ad514d00 |
15 | 349651e549a |
hex | 1bc362a4984 |
1907874220420 has 72 divisors (see below), whose sum is σ = 4661527316544. Its totient is φ = 654007161024.
The previous prime is 1907874220339. The next prime is 1907874220429. The reversal of 1907874220420 is 240224787091.
It is not an unprimeable number, because it can be changed into a prime (1907874220429) 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, 5195809 + ... + 5550871.
It is an arithmetic number, because the mean of its divisors is an integer number (64743434952).
Almost surely, 21907874220420 is an apocalyptic number.
1907874220420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1907874220420 is an abundant number, since it is smaller than the sum of its proper divisors (2753653096124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1907874220420 is a wasteful number, since it uses less digits than its factorization.
1907874220420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 360569 (or 360560 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 46.
The spelling of 1907874220420 in words is "one trillion, nine hundred seven billion, eight hundred seventy-four million, two hundred twenty thousand, four hundred twenty".
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