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111210320130 = 235721323421601
BaseRepresentation
bin110011110010010100…
…1101101000100000010
3101122001102211121110120
41213210221231010002
53310224320221010
6123031143041110
711014616060400
oct1474451550402
9348042747416
10111210320130
1143189365588
1219678140196
13a644195870
14554dc3c470
152d5d4c0e70
hex19e4a6d102

111210320130 has 384 divisors, whose sum is σ = 350312449536. Its totient is φ = 22353408000.

The previous prime is 111210320119. The next prime is 111210320141. The reversal of 111210320130 is 31023012111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (111210320119) and next prime (111210320141).

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 191 ways as a sum of consecutive naturals, for example, 185041830 + ... + 185042430.

It is an arithmetic number, because the mean of its divisors is an integer number (912272004).

Almost surely, 2111210320130 is an apocalyptic number.

111210320130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111210320130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175156224768).

111210320130 is an abundant number, since it is smaller than the sum of its proper divisors (239102129406).

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

111210320130 is a wasteful number, since it uses less digits than its factorization.

111210320130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1075 counting only the distinct ones).

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

Adding to 111210320130 its reverse (31023012111), we get a palindrome (142233332241).

The spelling of 111210320130 in words is "one hundred eleven billion, two hundred ten million, three hundred twenty thousand, one hundred thirty".