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11019930660 = 22335235316741
BaseRepresentation
bin10100100001101011…
…01100110000100100
31001102222221110222000
422100311230300210
5140032100240120
65021255205300
7540040602504
oct122065546044
931388843860
1011019930660
114745511012
122176676830
1310680b533b
147677bba04
154476c9990
hex290d6cc24

11019930660 has 192 divisors, whose sum is σ = 36452021760. Its totient is φ = 2757680640.

The previous prime is 11019930643. The next prime is 11019930671. The reversal of 11019930660 is 6603991011.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 649890 + ... + 666630.

It is an arithmetic number, because the mean of its divisors is an integer number (189854280).

Almost surely, 211019930660 is an apocalyptic number.

11019930660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11019930660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18226010880).

11019930660 is an abundant number, since it is smaller than the sum of its proper divisors (25432091100).

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

11019930660 is a wasteful number, since it uses less digits than its factorization.

11019930660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835 (or 16827 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The spelling of 11019930660 in words is "eleven billion, nineteen million, nine hundred thirty thousand, six hundred sixty".