Search a number
-
+
420022110001 = 13219511273879
BaseRepresentation
bin1100001110010110100…
…01001100011100110001
31111011011001200221110111
412013023101030130301
523340201130010001
6520542215301321
742226353012364
oct6071321143461
91434131627414
10420022110001
11152148592a4a
12694a067a841
13307b9787900
14164873a20db
15add4580851
hex61cb44c731

420022110001 has 12 divisors (see below), whose sum is σ = 455050318080. Its totient is φ = 387513687600.

The previous prime is 420022109981. The next prime is 420022110007. The reversal of 420022110001 is 100011220024.

It is a happy number.

It is not a de Polignac number, because 420022110001 - 221 = 420020012849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420022110007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307221 + ... + 966658.

It is an arithmetic number, because the mean of its divisors is an integer number (37920859840).

Almost surely, 2420022110001 is an apocalyptic number.

It is an amenable number.

420022110001 is a deficient number, since it is larger than the sum of its proper divisors (35028208079).

420022110001 is a wasteful number, since it uses less digits than its factorization.

420022110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275856 (or 1275843 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 420022110001 its reverse (100011220024), we get a palindrome (520033330025).

The spelling of 420022110001 in words is "four hundred twenty billion, twenty-two million, one hundred ten thousand, one".

Divisors: 1 13 169 1951 25363 329719 1273879 16560427 215285551 2485337929 32309393077 420022110001