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2223102042401 = 21131052106977
BaseRepresentation
bin100000010110011011001…
…101010010000100100001
321212112012210200212220112
4200112123031102010201
5242410403110324101
64421140132021105
7316420353401252
oct40263315220441
97775183625815
102223102042401
117878a3168409
122baa28461795
13131839b1ca06
1479854c22b29
153cc646bb6bb
hex2059b352121

2223102042401 has 4 divisors (see below), whose sum is σ = 2224154151492. Its totient is φ = 2222049933312.

The previous prime is 2223102042383. The next prime is 2223102042463. The reversal of 2223102042401 is 1042402013222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 643244100625 + 1579857941776 = 802025^2 + 1256924^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223102042401 - 218 = 2223101780257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223102642401) 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, 526051376 + ... + 526055601.

It is an arithmetic number, because the mean of its divisors is an integer number (556038537873).

Almost surely, 22223102042401 is an apocalyptic number.

It is an amenable number.

2223102042401 is a deficient number, since it is larger than the sum of its proper divisors (1052109091).

2223102042401 is a wasteful number, since it uses less digits than its factorization.

2223102042401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052109090.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 2223102042401 its reverse (1042402013222), we get a palindrome (3265504055623).

The spelling of 2223102042401 in words is "two trillion, two hundred twenty-three billion, one hundred two million, forty-two thousand, four hundred one".

Divisors: 1 2113 1052106977 2223102042401