Search a number
-
+
420402142301 = 4359839197507
BaseRepresentation
bin1100001111000011110…
…10111001110001011101
31111012010112210120202212
412013201322321301131
523341440422023201
6521044032530205
742241646151311
oct6074172716135
91435115716685
10420402142301
1115232305a929
12695879b0965
133084a4276ab
14164c1a49b41
15ae07aecabb
hex61e1eb9c5d

420402142301 has 16 divisors (see below), whose sum is σ = 437993740800. Its totient is φ = 403182428208.

The previous prime is 420402142283. The next prime is 420402142309. The reversal of 420402142301 is 103241204024.

It is a cyclic number.

It is not a de Polignac number, because 420402142301 - 222 = 420397947997 is a prime.

It is a super-2 number, since 2×4204021423012 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420402142309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2029790 + ... + 2227296.

It is an arithmetic number, because the mean of its divisors is an integer number (27374608800).

Almost surely, 2420402142301 is an apocalyptic number.

It is an amenable number.

420402142301 is a deficient number, since it is larger than the sum of its proper divisors (17591598499).

420402142301 is a wasteful number, since it uses less digits than its factorization.

420402142301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198448.

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

Adding to 420402142301 its reverse (103241204024), we get a palindrome (523643346325).

The spelling of 420402142301 in words is "four hundred twenty billion, four hundred two million, one hundred forty-two thousand, three hundred one".

Divisors: 1 43 59 839 2537 36077 49501 197507 2128543 8492801 11652913 165708373 501075259 7125460039 9776794007 420402142301