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111020213130 = 2353700673771
BaseRepresentation
bin110011101100101010…
…0100000001110001010
3101121120012010011200120
41213121110200032022
53304332133310010
6123000232244110
711010120145521
oct1473124401612
9347505104616
10111020213130
11430a101a362
1219624540636
13a613993508
1455328b34b8
152d4b96ce70
hex19d952038a

111020213130 has 16 divisors (see below), whose sum is σ = 266448511584. Its totient is φ = 29605390160.

The previous prime is 111020213113. The next prime is 111020213153. The reversal of 111020213130 is 31312020111.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850336856 + ... + 1850336915.

It is an arithmetic number, because the mean of its divisors is an integer number (16653031974).

Almost surely, 2111020213130 is an apocalyptic number.

111020213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111020213130 is an abundant number, since it is smaller than the sum of its proper divisors (155428298454).

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

111020213130 is a wasteful number, since it uses less digits than its factorization.

111020213130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3700673781.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 111020213130 its reverse (31312020111), we get a palindrome (142332233241).

The spelling of 111020213130 in words is "one hundred eleven billion, twenty million, two hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 3700673771 7401347542 11102021313 18503368855 22204042626 37006737710 55510106565 111020213130