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231200023022100 = 2232521179351784053
BaseRepresentation
bin110100100100011001110011…
…001111101000101000010100
31010022121111200010100120102100
4310210121303033220220110
5220300440121343201400
62135415454014442100
766461436046263636
oct6444316317505024
91108544603316370
10231200023022100
1167738419695320
1221b20143b03330
139c010b79b6972
1441141d85aca56
151bae09aaa0100
hexd246733e8a14

231200023022100 has 432 divisors, whose sum is σ = 800808252491520. Its totient is φ = 55322622950400.

The previous prime is 231200023022083. The next prime is 231200023022117. The reversal of 231200023022100 is 1220320002132.

231200023022100 is a `hidden beast` number, since 2 + 312 + 0 + 0 + 0 + 230 + 22 + 100 = 666.

It is an interprime number because it is at equal distance from previous prime (231200023022083) and next prime (231200023022117).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2750603674 + ... + 2750687726.

Almost surely, 2231200023022100 is an apocalyptic number.

231200023022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231200023022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400404126245760).

231200023022100 is an abundant number, since it is smaller than the sum of its proper divisors (569608229469420).

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

231200023022100 is a wasteful number, since it uses less digits than its factorization.

231200023022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87680 (or 87670 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 231200023022100 its reverse (1220320002132), we get a palindrome (232420343024232).

The spelling of 231200023022100 in words is "two hundred thirty-one trillion, two hundred billion, twenty-three million, twenty-two thousand, one hundred".