Base | Representation |
---|---|
bin | 11111000001000000011… |
… | …000011011101011100100 |
3 | 21112202110210212210110000 |
4 | 133001000120123223210 |
5 | 234410033241103401 |
6 | 4311051054301300 |
7 | 306662452305411 |
oct | 37010030335344 |
9 | 7482423783400 |
10 | 2131383925476 |
11 | 751a0772a683 |
12 | 2a50b01b7830 |
13 | 125cb1079c00 |
14 | 75233a85108 |
15 | 3a6975ad186 |
hex | 1f04061bae4 |
2131383925476 has 405 divisors, whose sum is σ = 6426728807499. Its totient is φ = 615551519232.
The previous prime is 2131383925453. The next prime is 2131383925507. The reversal of 2131383925476 is 6745293831312.
The square root of 2131383925476 is 1459926.
It is a perfect power (a square), and thus also a powerful number.
2131383925476 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 3 + 8 + 3 + 92 + 547 + 6 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 19244903076 + 2112139022400 = 138726^2 + 1453320^2 .
It is a Harshad number since it is a multiple of its sum of digits (54).
Its product of digits (6531840) is a multiple of the sum of its prime factors (810).
It is an unprimeable number.
It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 5807585445 + ... + 5807585811.
Almost surely, 22131383925476 is an apocalyptic number.
2131383925476 is a gapful number since it is divisible by the number (26) formed by its first and last digit.
2131383925476 is the 1459926-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2131383925476
2131383925476 is an abundant number, since it is smaller than the sum of its proper divisors (4295344882023).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131383925476 is a wasteful number, since it uses less digits than its factorization.
2131383925476 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 810 (or 402 counting only the distinct ones).
The product of its digits is 6531840, while the sum is 54.
The spelling of 2131383925476 in words is "two trillion, one hundred thirty-one billion, three hundred eighty-three million, nine hundred twenty-five thousand, four hundred seventy-six".
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