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221147044107 = 3116701425579
BaseRepresentation
bin1100110111110101100…
…1000001100100001011
3210010211010011211110020
43031331121001210023
512110402120402412
6245332112351523
721656141600553
oct3157531014413
9703733154406
10221147044107
1185873817460
1236a398455a3
1317b14539622
14a9bc870163
155b44c6a18c
hex337d64190b

221147044107 has 8 divisors (see below), whose sum is σ = 321668427840. Its totient is φ = 134028511560.

The previous prime is 221147044093. The next prime is 221147044141. The reversal of 221147044107 is 701440741122.

221147044107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 221147044107 - 235 = 186787305739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 6701425579 = 221147044107 / (2 + 2 + 1 + 1 + 4 + 7 + 0 + 4 + 4 + 1 + 0 + 7).

It is not an unprimeable number, because it can be changed into a prime (221147144107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3350712757 + ... + 3350712822.

It is an arithmetic number, because the mean of its divisors is an integer number (40208553480).

Almost surely, 2221147044107 is an apocalyptic number.

221147044107 is a deficient number, since it is larger than the sum of its proper divisors (100521383733).

221147044107 is a wasteful number, since it uses less digits than its factorization.

221147044107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701425593.

The product of its (nonzero) digits is 12544, while the sum is 33.

Adding to 221147044107 its reverse (701440741122), we get a palindrome (922587785229).

The spelling of 221147044107 in words is "two hundred twenty-one billion, one hundred forty-seven million, forty-four thousand, one hundred seven".

Divisors: 1 3 11 33 6701425579 20104276737 73715681369 221147044107