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103212126660 = 22351720202111
BaseRepresentation
bin110000000011111101…
…1000001000111000100
3100212102000211021122210
41200013323001013010
53142334301023120
6115225350023420
710312456413156
oct1400773010704
9325360737583
10103212126660
113a854611435
1218005647b70
13996b135ac6
144dd18c4ad6
152a41230ce0
hex1807ec11c4

103212126660 has 24 divisors (see below), whose sum is σ = 288993954816. Its totient is φ = 27523233760.

The previous prime is 103212126659. The next prime is 103212126821. The reversal of 103212126660 is 66621212301.

103212126660 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860100996 + ... + 860101115.

It is an arithmetic number, because the mean of its divisors is an integer number (12041414784).

Almost surely, 2103212126660 is an apocalyptic number.

103212126660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103212126660 is an abundant number, since it is smaller than the sum of its proper divisors (185781828156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103212126660 is a wasteful number, since it uses less digits than its factorization.

103212126660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720202123 (or 1720202121 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 103212126660 its reverse (66621212301), we get a palindrome (169833338961).

The spelling of 103212126660 in words is "one hundred three billion, two hundred twelve million, one hundred twenty-six thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1720202111 3440404222 5160606333 6880808444 8601010555 10321212666 17202021110 20642425332 25803031665 34404042220 51606063330 103212126660