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1111012099 = 19409142969
BaseRepresentation
bin100001000111000…
…1011001100000011
32212102120021002021
41002032023030003
54233404341344
6302124502311
736350306221
oct10216131403
92772507067
101111012099
1152015691a
122700aa997
13149238112
14a77a7b11
156780db84
hex4238b303

1111012099 has 8 divisors (see below), whose sum is σ = 1172354000. Its totient is φ = 1049956992.

The previous prime is 1111012087. The next prime is 1111012109. The reversal of 1111012099 is 9902101111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1111012099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111082099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63714 + ... + 79255.

It is an arithmetic number, because the mean of its divisors is an integer number (146544250).

Almost surely, 21111012099 is an apocalyptic number.

1111012099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1111012099 is a deficient number, since it is larger than the sum of its proper divisors (61341901).

1111012099 is a wasteful number, since it uses less digits than its factorization.

1111012099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143397.

The product of its (nonzero) digits is 162, while the sum is 25.

The square root of 1111012099 is about 33331.8481185787. The cubic root of 1111012099 is about 1035.7134023724.

The spelling of 1111012099 in words is "one billion, one hundred eleven million, twelve thousand, ninety-nine".

Divisors: 1 19 409 7771 142969 2716411 58474321 1111012099