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200311200120030 = 23548713710554423
BaseRepresentation
bin101101100010111010010101…
…111011010111110011011110
3222021020120012221120010121220
4231202322111323113303132
5202223344314212320110
61550005410040034210
760123002162560266
oct5542722573276336
9867216187503556
10200311200120030
115890955940259a
121a57179b762966
1387a035a611c3c
14376718444a7a6
151825849b6c370
hexb62e95ed7cde

200311200120030 has 32 divisors (see below), whose sum is σ = 481734040241664. Its totient is φ = 53306635592736.

The previous prime is 200311200119969. The next prime is 200311200120121. The reversal of 200311200120030 is 30021002113002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 200311200119991 and 200311200120009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6855262602 + ... + 6855291821.

It is an arithmetic number, because the mean of its divisors is an integer number (15054188757552).

Almost surely, 2200311200120030 is an apocalyptic number.

200311200120030 is an abundant number, since it is smaller than the sum of its proper divisors (281422840121634).

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

200311200120030 is a wasteful number, since it uses less digits than its factorization.

200311200120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13710554920.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 200311200120030 its reverse (30021002113002), we get a palindrome (230332202233032).

The spelling of 200311200120030 in words is "two hundred trillion, three hundred eleven billion, two hundred million, one hundred twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 487 974 1461 2435 2922 4870 7305 14610 13710554423 27421108846 41131663269 68552772115 82263326538 137105544230 205658316345 411316632690 6677040004001 13354080008002 20031120012003 33385200020005 40062240024006 66770400040010 100155600060015 200311200120030