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3100011312 = 243411575209
BaseRepresentation
bin1011100011000110…
…0110101100110000
322000001012220001210
42320301212230300
522322100330222
61231340000120
7136551442566
oct27061465460
98001186053
103100011312
11135096a422
12726230040
133a5330228
142159dba36
1513224bd0c
hexb8c66b30

3100011312 has 40 divisors (see below), whose sum is σ = 8203693680. Its totient is φ = 1008133120.

The previous prime is 3100011223. The next prime is 3100011331. The reversal of 3100011312 is 2131100013.

It is a super-2 number, since 2×31000113122 = 19220140269055922688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 785637 + ... + 789572.

It is an arithmetic number, because the mean of its divisors is an integer number (205092342).

Almost surely, 23100011312 is an apocalyptic number.

It is an amenable number.

3100011312 is an abundant number, since it is smaller than the sum of its proper divisors (5103682368).

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

3100011312 is a wasteful number, since it uses less digits than its factorization.

3100011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575261 (or 1575255 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 3100011312 is about 55677.7452129664. The cubic root of 3100011312 is about 1458.1015093755.

Adding to 3100011312 its reverse (2131100013), we get a palindrome (5231111325).

The spelling of 3100011312 in words is "three billion, one hundred million, eleven thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 41 48 82 123 164 246 328 492 656 984 1968 1575209 3150418 4725627 6300836 9451254 12601672 18902508 25203344 37805016 64583569 75610032 129167138 193750707 258334276 387501414 516668552 775002828 1033337104 1550005656 3100011312