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231300100002123 = 33171798128025237
BaseRepresentation
bin110100100101110111000000…
…010011000001000101001011
31010022222001222122211220102000
4310211313000103001011023
5220304110101100031443
62135533444331442043
766501611046466665
oct6445670023010513
91108861878756360
10231300100002123
1167776904519679
1221b376135b6323
139c0a676439cc9
144118dad94b535
151bb19a69438d3
hexd25dc04c114b

231300100002123 has 32 divisors (see below), whose sum is σ = 362843877395520. Its totient is φ = 145121398064640.

The previous prime is 231300100002109. The next prime is 231300100002161. The reversal of 231300100002123 is 321200001003132.

231300100002123 is a `hidden beast` number, since 231 + 300 + 10 + 0 + 0 + 0 + 2 + 123 = 666.

It is not a de Polignac number, because 231300100002123 - 25 = 231300100002091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231300100002096 and 231300100002105.

It is not an unprimeable number, because it can be changed into a prime (231300100012123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5759340 + ... + 22265897.

It is an arithmetic number, because the mean of its divisors is an integer number (11338871168610).

Almost surely, 2231300100002123 is an apocalyptic number.

231300100002123 is a deficient number, since it is larger than the sum of its proper divisors (131543777393397).

231300100002123 is a wasteful number, since it uses less digits than its factorization.

231300100002123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28043244 (or 28043238 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231300100002123 its reverse (321200001003132), we get a palindrome (552500101005255).

The spelling of 231300100002123 in words is "two hundred thirty-one trillion, three hundred billion, one hundred million, two thousand, one hundred twenty-three".

Divisors: 1 3 9 17 27 51 153 459 17981 53943 161829 305677 485487 917031 2751093 8253279 28025237 84075711 252227133 476429029 756681399 1429287087 4287861261 12863583783 503921786497 1511765359491 4535296078473 8566670370449 13605888235419 25700011111347 77100033334041 231300100002123