Base | Representation |
---|---|
bin | 100100110100101011111… |
… | …000101100000000000000 |
3 | 22221220120221112110102220 |
4 | 210310223320230000000 |
5 | 312424401314033140 |
6 | 5214252141211040 |
7 | 350551312155000 |
oct | 44645370540000 |
9 | 8856527473386 |
10 | 2530472017920 |
11 | 896192537370 |
12 | 34a509b60a80 |
13 | 1548127b2982 |
14 | 8a692aac000 |
15 | 45c53dc6bd0 |
hex | 24d2be2c000 |
2530472017920 has 960 divisors, whose sum is σ = 10305090432000. Its totient is φ = 525619691520.
The previous prime is 2530472017919. The next prime is 2530472017921. The reversal of 2530472017920 is 297102740352.
It is an interprime number because it is at equal distance from previous prime (2530472017919) and next prime (2530472017921).
It is a tau number, because it is divible by the number of its divisors (960).
It is a super-2 number, since 2×25304720179202 (a number of 26 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (2530472017921) 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, 927251116 + ... + 927253844.
It is an arithmetic number, because the mean of its divisors is an integer number (10734469200).
Almost surely, 22530472017920 is an apocalyptic number.
2530472017920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2530472017920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5152545216000).
2530472017920 is an abundant number, since it is smaller than the sum of its proper divisors (7774618414080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2530472017920 is an equidigital number, since it uses as much as digits as its factorization.
2530472017920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2797 (or 2757 counting only the distinct ones).
The product of its (nonzero) digits is 211680, while the sum is 42.
The spelling of 2530472017920 in words is "two trillion, five hundred thirty billion, four hundred seventy-two million, seventeen thousand, nine hundred twenty".
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