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212477231793 = 3265726656283
BaseRepresentation
bin1100010111100010100…
…0010100001010110001
3202022102220101201210110
43011320220110022301
511440123132404133
6241335524251533
721231245446041
oct3057050241261
9668386351713
10212477231793
1182124949112
123521a240ba9
13170622c6678
14a3d9249721
1557d8a61c63
hex3178a142b1

212477231793 has 8 divisors (see below), whose sum is σ = 283409611488. Its totient is φ = 141598169984.

The previous prime is 212477231783. The next prime is 212477231797. The reversal of 212477231793 is 397132774212.

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

It is a cyclic number.

It is not a de Polignac number, because 212477231793 - 28 = 212477231537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212477231797) 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, 13320171 + ... + 13336112.

It is an arithmetic number, because the mean of its divisors is an integer number (35426201436).

Almost surely, 2212477231793 is an apocalyptic number.

It is an amenable number.

212477231793 is a deficient number, since it is larger than the sum of its proper divisors (70932379695).

212477231793 is a wasteful number, since it uses less digits than its factorization.

212477231793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26658943.

The product of its digits is 889056, while the sum is 48.

The spelling of 212477231793 in words is "two hundred twelve billion, four hundred seventy-seven million, two hundred thirty-one thousand, seven hundred ninety-three".

Divisors: 1 3 2657 7971 26656283 79968849 70825743931 212477231793