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2912056197 = 32342203713
BaseRepresentation
bin1010110110010010…
…0111001110000101
321111221112210010020
42231210213032011
521430441244242
61200543245353
7132110032521
oct25544471605
97457483106
102912056197
111264863a16
126932a9859
1337540249b
141d8a72d81
151209c16ec
hexad927385

2912056197 has 8 divisors (see below), whose sum is σ = 4051556544. Its totient is φ = 1856963328.

The previous prime is 2912056193. The next prime is 2912056219. The reversal of 2912056197 is 7916502192.

2912056197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2912056197 - 22 = 2912056193 is a prime.

It is a super-3 number, since 3×29120561973 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2912056193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21101788 + ... + 21101925.

It is an arithmetic number, because the mean of its divisors is an integer number (506444568).

Almost surely, 22912056197 is an apocalyptic number.

It is an amenable number.

2912056197 is a deficient number, since it is larger than the sum of its proper divisors (1139500347).

2912056197 is a wasteful number, since it uses less digits than its factorization.

2912056197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42203739.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 2912056197 is about 53963.4709502641. The cubic root of 2912056197 is about 1428.0165824209.

The spelling of 2912056197 in words is "two billion, nine hundred twelve million, fifty-six thousand, one hundred ninety-seven".

Divisors: 1 3 23 69 42203713 126611139 970685399 2912056197