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24131434420 = 2251957161651
BaseRepresentation
bin10110011110010110…
…000111011110110100
32022021202112212211101
4112132112013132310
5343410121400140
615030312215444
71512666544132
oct263626073664
968252485741
1024131434420
11a263624935
12481569a584
1323775c79a2
14124cc90752
1596380499a
hex59e5877b4

24131434420 has 24 divisors (see below), whose sum is σ = 50679423648. Its totient is φ = 9651924000.

The previous prime is 24131434343. The next prime is 24131434429. The reversal of 24131434420 is 2443413142.

It is a super-2 number, since 2×241314344202 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24131434429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360595 + ... + 422245.

It is an arithmetic number, because the mean of its divisors is an integer number (2111642652).

Almost surely, 224131434420 is an apocalyptic number.

24131434420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24131434420 is an abundant number, since it is smaller than the sum of its proper divisors (26547989228).

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

24131434420 is a wasteful number, since it uses less digits than its factorization.

24131434420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81231 (or 81229 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 24131434420 its reverse (2443413142), we get a palindrome (26574847562).

The spelling of 24131434420 in words is "twenty-four billion, one hundred thirty-one million, four hundred thirty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 19571 39142 61651 78284 97855 123302 195710 246604 308255 391420 616510 1233020 1206571721 2413143442 4826286884 6032858605 12065717210 24131434420