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16722011107 = 33749620211
BaseRepresentation
bin11111001001011010…
…11010001111100011
31121011101102011211201
433210231122033203
5233221313323412
611403150422031
71131246514654
oct174455321743
947141364751
1016722011107
11710115949a
1232a8201917
131766531239
14b48bd952b
1567d0b4e57
hex3e4b5a3e3

16722011107 has 4 divisors (see below), whose sum is σ = 16771631656. Its totient is φ = 16672390560.

The previous prime is 16722011083. The next prime is 16722011113. The reversal of 16722011107 is 70111022761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70111022761 = 135393155597.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-16722011107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16722011147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24809769 + ... + 24810442.

It is an arithmetic number, because the mean of its divisors is an integer number (4192907914).

Almost surely, 216722011107 is an apocalyptic number.

16722011107 is a deficient number, since it is larger than the sum of its proper divisors (49620549).

16722011107 is an equidigital number, since it uses as much as digits as its factorization.

16722011107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49620548.

The product of its (nonzero) digits is 1176, while the sum is 28.

Adding to 16722011107 its reverse (70111022761), we get a palindrome (86833033868).

The spelling of 16722011107 in words is "sixteen billion, seven hundred twenty-two million, eleven thousand, one hundred seven".

Divisors: 1 337 49620211 16722011107