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420042420204 = 223116661477727
BaseRepresentation
bin1100001110011000111…
…10101010111111101100
31111011012110220210211020
412013030132222333230
523340221324421304
6520544222454140
742230020442661
oct6071436527754
91434173823736
10420042420204
11152158aa5340
12694a7434350
13307c0a49294
1416489d6ba68
15add62435d9
hex61cc7aafec

420042420204 has 48 divisors (see below), whose sum is σ = 1069361642496. Its totient is φ = 127266206400.

The previous prime is 420042420131. The next prime is 420042420209. The reversal of 420042420204 is 402024240024.

It is not an unprimeable number, because it can be changed into a prime (420042420209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640389 + ... + 1118115.

It is an arithmetic number, because the mean of its divisors is an integer number (22278367552).

Almost surely, 2420042420204 is an apocalyptic number.

420042420204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420042420204 is an abundant number, since it is smaller than the sum of its proper divisors (649319222292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420042420204 is a wasteful number, since it uses less digits than its factorization.

420042420204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484406 (or 484404 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 420042420204 its reverse (402024240024), we get a palindrome (822066660228).

The spelling of 420042420204 in words is "four hundred twenty billion, forty-two million, four hundred twenty thousand, two hundred four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 6661 13322 19983 26644 39966 73271 79932 146542 219813 293084 439626 477727 879252 955454 1433181 1910908 2866362 5254997 5732724 10509994 15764991 21019988 31529982 63059964 3182139547 6364279094 9546418641 12728558188 19092837282 35003535017 38185674564 70007070034 105010605051 140014140068 210021210102 420042420204