Base | Representation |
---|---|
bin | 1011101100100000… |
… | …0010001000000010 |
3 | 22002210102100021000 |
4 | 2323020002020002 |
5 | 22412144222000 |
6 | 1235305112430 |
7 | 140540562414 |
oct | 27310021002 |
9 | 8083370230 |
10 | 3139445250 |
11 | 1371153757 |
12 | 737488716 |
13 | 3b0559216 |
14 | 21ad449b4 |
15 | 13593b000 |
hex | bb202202 |
3139445250 has 256 divisors, whose sum is σ = 9340531200. Its totient is φ = 777600000.
The previous prime is 3139445249. The next prime is 3139445251. The reversal of 3139445250 is 525449313.
3139445250 is a `hidden beast` number, since 313 + 94 + 4 + 5 + 250 = 666.
It is an interprime number because it is at equal distance from previous prime (3139445249) and next prime (3139445251).
It is a super-2 number, since 2×31394452502 = 19712232955495125000, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (3139445251) by changing a digit.
It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12507625 + ... + 12507875.
It is an arithmetic number, because the mean of its divisors is an integer number (36486450).
Almost surely, 23139445250 is an apocalyptic number.
3139445250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 3139445250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4670265600).
3139445250 is an abundant number, since it is smaller than the sum of its proper divisors (6201085950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3139445250 is a wasteful number, since it uses less digits than its factorization.
3139445250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 403 (or 387 counting only the distinct ones).
The product of its (nonzero) digits is 64800, while the sum is 36.
The square root of 3139445250 is about 56030.7527167001. The cubic root of 3139445250 is about 1464.2581092215.
The spelling of 3139445250 in words is "three billion, one hundred thirty-nine million, four hundred forty-five thousand, two hundred fifty".
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