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20231150355 = 3351316976793
BaseRepresentation
bin10010110101110111…
…101101101100010011
31221012221110220221000
4102311313231230103
5312413133302410
613143303433043
71314226640433
oct226567555423
957187426830
1020231150355
118641a58779
123b07455783
131ba554a6b0
14d9cc962c3
157d61c9dc0
hex4b5dedb13

20231150355 has 64 divisors (see below), whose sum is σ = 38761672320. Its totient is φ = 9952616448.

The previous prime is 20231150351. The next prime is 20231150389. The reversal of 20231150355 is 55305113202.

It is a happy number.

It is not a de Polignac number, because 20231150355 - 22 = 20231150351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20231150351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2974839 + ... + 2981631.

It is an arithmetic number, because the mean of its divisors is an integer number (605651130).

Almost surely, 220231150355 is an apocalyptic number.

20231150355 is a deficient number, since it is larger than the sum of its proper divisors (18530521965).

20231150355 is a wasteful number, since it uses less digits than its factorization.

20231150355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8517 (or 8511 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 20231150355 its reverse (55305113202), we get a palindrome (75536263557).

The spelling of 20231150355 in words is "twenty billion, two hundred thirty-one million, one hundred fifty thousand, three hundred fifty-five".

Divisors: 1 3 5 9 13 15 27 39 45 65 117 135 195 351 585 1697 1755 5091 6793 8485 15273 20379 22061 25455 33965 45819 61137 66183 76365 88309 101895 110305 183411 198549 229095 264927 305685 330915 441545 595647 794781 917055 992745 1324635 2384343 2978235 3973905 11527721 11921715 34583163 57638605 103749489 149860373 172915815 311248467 449581119 518747445 749301865 1348743357 1556242335 2247905595 4046230071 6743716785 20231150355