Base | Representation |
---|---|
bin | 101000000100001001… |
… | …011100010011111110 |
3 | 11010001002022200121000 |
4 | 220010021130103332 |
5 | 1201100412211321 |
6 | 31432431551130 |
7 | 3052025436411 |
oct | 500411342376 |
9 | 133032280530 |
10 | 43019257086 |
11 | 17276281633 |
12 | 840708b4a6 |
13 | 409774a010 |
14 | 2121587b78 |
15 | 11bbad1826 |
hex | a0425c4fe |
43019257086 has 128 divisors (see below), whose sum is σ = 107662141440. Its totient is φ = 12633629184.
The previous prime is 43019257081. The next prime is 43019257091. The reversal of 43019257086 is 68075291034.
43019257086 is a `hidden beast` number, since 430 + 1 + 92 + 57 + 0 + 86 = 666.
It is an interprime number because it is at equal distance from previous prime (43019257081) and next prime (43019257091).
It is a super-2 number, since 2×430192570862 (a number of 22 digits) contains 22 as substring.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43019257081) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8118790 + ... + 8124086.
It is an arithmetic number, because the mean of its divisors is an integer number (841110480).
It is a 1-persistent number, because it is pandigital, but 2⋅43019257086 = 86038514172 is not.
Almost surely, 243019257086 is an apocalyptic number.
43019257086 is a gapful number since it is divisible by the number (46) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 43019257086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53831070720).
43019257086 is an abundant number, since it is smaller than the sum of its proper divisors (64642884354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
43019257086 is a wasteful number, since it uses less digits than its factorization.
43019257086 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5847 (or 5841 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The spelling of 43019257086 in words is "forty-three billion, nineteen million, two hundred fifty-seven thousand, eighty-six".
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