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231210000203320 = 23512234726287821
BaseRepresentation
bin110100100100100011000101…
…111011100011111000111000
31010022122110102110011220001201
4310210203011323203320320
5220301121040023001240
62135424224024223544
766462241226026555
oct6444430573437070
91108573373156051
10231210000203320
1167741679534236
1221b2206930abb4
139c02017a449a8
1441148a36b1a2c
151bae481951d9a
hexd248c5ee3e38

231210000203320 has 32 divisors (see below), whose sum is σ = 520647866471520. Its totient is φ = 92408379456640.

The previous prime is 231210000203309. The next prime is 231210000203327. The reversal of 231210000203320 is 23302000012132.

231210000203320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231210000203327) 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, 2363094991 + ... + 2363192830.

It is an arithmetic number, because the mean of its divisors is an integer number (16270245827235).

Almost surely, 2231210000203320 is an apocalyptic number.

231210000203320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231210000203320 is an abundant number, since it is smaller than the sum of its proper divisors (289437866268200).

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

231210000203320 is a wasteful number, since it uses less digits than its factorization.

231210000203320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726289055 (or 4726289051 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 231210000203320 its reverse (23302000012132), we get a palindrome (254512000215452).

The spelling of 231210000203320 in words is "two hundred thirty-one trillion, two hundred ten billion, two hundred three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1223 2446 4892 6115 9784 12230 24460 48920 4726287821 9452575642 18905151284 23631439105 37810302568 47262878210 94525756420 189051512840 5780250005083 11560500010166 23121000020332 28901250025415 46242000040664 57802500050830 115605000101660 231210000203320