| Base | Representation |
|---|---|
| bin | 1110011110010000… |
| … | …01100101010000000 |
| 3 | 202001111121220012210 |
| 4 | 13033020030222000 |
| 5 | 111403110000000 |
| 6 | 3323002022120 |
| 7 | 363355624140 |
| oct | 71710145200 |
| 9 | 22044556183 |
| 10 | 7770000000 |
| 11 | 3327a65004 |
| 12 | 160a1a7940 |
| 13 | 96a9b3b49 |
| 14 | 539d16920 |
| 15 | 307217350 |
| hex | 1cf20ca80 |
7770000000 has 512 divisors, whose sum is σ = 30281172480. Its totient is φ = 1728000000.
The previous prime is 7769999947. The next prime is 7770000041. The reversal of 7770000000 is 777.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a nialpdrome in base 10.
It is a zygodrome in base 10.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 209999982 + ... + 210000018.
It is an arithmetic number, because the mean of its divisors is an integer number (59142915).
Almost surely, 27770000000 is an apocalyptic number.
7770000000 is a gapful number since it is divisible by the number (70) 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 7770000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15140586240).
7770000000 is an abundant number, since it is smaller than the sum of its proper divisors (22511172480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7770000000 is an frugal number, since it uses more digits than its factorization.
7770000000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96 (or 54 counting only the distinct ones).
The product of its (nonzero) digits is 343, while the sum is 21.
The square root of 7770000000 is about 88147.6034841561. The cubic root of 7770000000 is about 1980.6466615475.
Adding to 7770000000 its reverse (777), we get a palindrome (7770000777).
7770000000 divided by its reverse (777) gives a 7-th power (10000000 = 107).
The spelling of 7770000000 in words is "seven billion, seven hundred seventy million", and thus it is an aban number.
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