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1234420101 = 33192406277
BaseRepresentation
bin100100110010011…
…1100000110000101
310012000210001001000
41021210330012011
510012002420401
6322253523513
742406253265
oct11144740605
93160701030
101234420101
11583886102
122a54a3599
131689862c5
14b9d2d7a5
1573589186
hex4993c185

1234420101 has 16 divisors (see below), whose sum is σ = 1925022400. Its totient is φ = 779633424.

The previous prime is 1234420091. The next prime is 1234420123. The reversal of 1234420101 is 1010244321.

1234420101 is a `hidden beast` number, since 1 + 234 + 420 + 10 + 1 = 666.

It is not a de Polignac number, because 1234420101 - 25 = 1234420069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234420141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1202626 + ... + 1203651.

It is an arithmetic number, because the mean of its divisors is an integer number (120313900).

Almost surely, 21234420101 is an apocalyptic number.

It is an amenable number.

1234420101 is a deficient number, since it is larger than the sum of its proper divisors (690602299).

1234420101 is a wasteful number, since it uses less digits than its factorization.

1234420101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406305 (or 2406299 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1234420101 is about 35134.3151491530. The cubic root of 1234420101 is about 1072.7231713194.

Adding to 1234420101 its reverse (1010244321), we get a palindrome (2244664422).

The spelling of 1234420101 in words is "one billion, two hundred thirty-four million, four hundred twenty thousand, one hundred one".

Divisors: 1 3 9 19 27 57 171 513 2406277 7218831 21656493 45719263 64969479 137157789 411473367 1234420101