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231133212030000 = 2435471100634343
BaseRepresentation
bin110100100011011011100100…
…111111111011010000110000
31010022101010012221200111222110
4310203123210333323100300
5220243341304234430000
62135325044243205320
766453552314233260
oct6443334477732060
91108333187614873
10231133212030000
1167712054619075
1221b0b1b9076840
139bc79cb15c847
144110c9b31d7a0
151bac48a41a850
hexd236e4ffb430

231133212030000 has 200 divisors, whose sum is σ = 852718659282688. Its totient is φ = 52830448416000.

The previous prime is 231133212029983. The next prime is 231133212030037. The reversal of 231133212030000 is 30212331132.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 550107172 + ... + 550527171.

Almost surely, 2231133212030000 is an apocalyptic number.

231133212030000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231133212030000 is an abundant number, since it is smaller than the sum of its proper divisors (621585447252688).

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

231133212030000 is a wasteful number, since it uses less digits than its factorization.

231133212030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100634381 (or 1100634360 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231133212030000 its reverse (30212331132), we get a palindrome (231163424361132).

The spelling of 231133212030000 in words is "two hundred thirty-one trillion, one hundred thirty-three billion, two hundred twelve million, thirty thousand".