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1231002110200 = 23526155010551
BaseRepresentation
bin10001111010011101011…
…100011000100011111000
311100200102122122111010011
4101322131130120203320
5130132043020011300
62341303051231304
7154636244201662
oct21723534304370
94320378574104
101231002110200
11435079665375
1217a6b0148534
138c110478605
144381baad532
152204b7b0eba
hex11e9d7188f8

1231002110200 has 24 divisors (see below), whose sum is σ = 2862079906680. Its totient is φ = 492400844000.

The previous prime is 1231002110197. The next prime is 1231002110209. The reversal of 1231002110200 is 20112001321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231002110209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3077505076 + ... + 3077505475.

It is an arithmetic number, because the mean of its divisors is an integer number (119253329445).

Almost surely, 21231002110200 is an apocalyptic number.

1231002110200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1231002110200 is an abundant number, since it is smaller than the sum of its proper divisors (1631077796480).

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

1231002110200 is a wasteful number, since it uses less digits than its factorization.

1231002110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155010567 (or 6155010558 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1231002110200 its reverse (20112001321), we get a palindrome (1251114111521).

The spelling of 1231002110200 in words is "one trillion, two hundred thirty-one billion, two million, one hundred ten thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 6155010551 12310021102 24620042204 30775052755 49240084408 61550105510 123100211020 153875263775 246200422040 307750527550 615501055100 1231002110200