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34431045420 = 22353131833389
BaseRepresentation
bin100000000100010000…
…000000111100101100
310021212120002022222110
4200010100000330230
51031003321423140
623452320444020
72326143025422
oct400420007454
9107776068873
1034431045420
1113669478042
12680aa79610
1333293a7b75
141948b25112
15d67b46380
hex804400f2c

34431045420 has 48 divisors (see below), whose sum is σ = 96714989280. Its totient is φ = 9152272896.

The previous prime is 34431045403. The next prime is 34431045443. The reversal of 34431045420 is 2454013443.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897915 + ... + 935474.

It is an arithmetic number, because the mean of its divisors is an integer number (2014895610).

Almost surely, 234431045420 is an apocalyptic number.

34431045420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34431045420 is an abundant number, since it is smaller than the sum of its proper divisors (62283943860).

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

34431045420 is a wasteful number, since it uses less digits than its factorization.

34431045420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833714 (or 1833712 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 34431045420 its reverse (2454013443), we get a palindrome (36885058863).

The spelling of 34431045420 in words is "thirty-four billion, four hundred thirty-one million, forty-five thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 313 626 939 1252 1565 1878 3130 3756 4695 6260 9390 18780 1833389 3666778 5500167 7333556 9166945 11000334 18333890 22000668 27500835 36667780 55001670 110003340 573850757 1147701514 1721552271 2295403028 2869253785 3443104542 5738507570 6886209084 8607761355 11477015140 17215522710 34431045420