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23035343540 = 2251129518737
BaseRepresentation
bin10101011101000000…
…110111001010110100
32012110101001200210212
4111131000313022310
5334134021443130
614325435204552
71443560121656
oct253500671264
965411050725
1023035343540
11985093a600
12456a5a6758
1322314b53c1
14118748c6d6
158ec491e95
hex55d0372b4

23035343540 has 36 divisors (see below), whose sum is σ = 53171670468. Its totient is φ = 8376487680.

The previous prime is 23035343537. The next prime is 23035343549. The reversal of 23035343540 is 4534353032.

It can be written as a sum of positive squares in 2 ways, for example, as 14566558864 + 8468784676 = 120692^2 + 92026^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23035343497 and 23035343506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23035343549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4756949 + ... + 4761788.

Almost surely, 223035343540 is an apocalyptic number.

23035343540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23035343540 is an abundant number, since it is smaller than the sum of its proper divisors (30136326928).

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

23035343540 is a wasteful number, since it uses less digits than its factorization.

23035343540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9518768 (or 9518755 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 32.

Adding to 23035343540 its reverse (4534353032), we get a palindrome (27569696572).

The spelling of 23035343540 in words is "twenty-three billion, thirty-five million, three hundred forty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2420 9518737 19037474 38074948 47593685 95187370 104706107 190374740 209412214 418824428 523530535 1047061070 1151767177 2094122140 2303534354 4607068708 5758835885 11517671770 23035343540