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2311206912 = 2113372853
BaseRepresentation
bin1000100111000010…
…0011100000000000
312222001221110212000
42021300203200000
514213132110122
61021201104000
7111162635400
oct21160434000
95861843760
102311206912
11a86685a63
12546028000
132aaa9a171
1417cd48800
15d7d870ac
hex89c23800

2311206912 has 288 divisors, whose sum is σ = 7973456400. Its totient is φ = 659570688.

The previous prime is 2311206901. The next prime is 2311206923. The reversal of 2311206912 is 2196021132.

It is an interprime number because it is at equal distance from previous prime (2311206901) and next prime (2311206923).

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2709078 + ... + 2709930.

Almost surely, 22311206912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311206912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3986728200).

2311206912 is an abundant number, since it is smaller than the sum of its proper divisors (5662249488).

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

2311206912 is an equidigital number, since it uses as much as digits as its factorization.

2311206912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2311206912 is about 48075.0133853336. The cubic root of 2311206912 is about 1322.1465899581.

The spelling of 2311206912 in words is "two billion, three hundred eleven million, two hundred six thousand, nine hundred twelve".