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309901222001101 = 989633131485727
BaseRepresentation
bin100011001110110101000000…
…0010000001011100111001101
31111122021021012222221120210211
41012131222000100023213031
5311104410200313013401
63015034353410002421
7122163424115036323
oct10635520020134715
91448237188846724
10309901222001101
118a820408790a05
122a910b24276411
13103bc737c79283
145675428d1dd13
1525c639699b951
hex119da8040b9cd

309901222001101 has 4 divisors (see below), whose sum is σ = 309904353585792. Its totient is φ = 309898090416412.

The previous prime is 309901222001093. The next prime is 309901222001123. The reversal of 309901222001101 is 101100222109903.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 309901222001101 - 23 = 309901222001093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309901222001801) 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, 1565643901 + ... + 1565841826.

It is an arithmetic number, because the mean of its divisors is an integer number (77476088396448).

Almost surely, 2309901222001101 is an apocalyptic number.

It is an amenable number.

309901222001101 is a deficient number, since it is larger than the sum of its proper divisors (3131584691).

309901222001101 is an equidigital number, since it uses as much as digits as its factorization.

309901222001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131584690.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 309901222001101 in words is "three hundred nine trillion, nine hundred one billion, two hundred twenty-two million, one thousand, one hundred one".

Divisors: 1 98963 3131485727 309901222001101