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20213134023 = 313151432911
BaseRepresentation
bin10010110100110010…
…111111001011000111
31221011200120121011110
4102310302333023013
5312344030242043
613141421340103
71313620542615
oct226462771307
957150517143
1020213134023
118632872845
123b01407633
131ba18b0144
14d9a7266b5
157d481bb33
hex4b4cbf2c7

20213134023 has 8 divisors (see below), whose sum is σ = 27156577536. Its totient is φ = 13372556600.

The previous prime is 20213134001. The next prime is 20213134027. The reversal of 20213134023 is 32043131202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20213134023 - 26 = 20213133959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213134027) 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, 25716063 + ... + 25716848.

It is an arithmetic number, because the mean of its divisors is an integer number (3394572192).

Almost surely, 220213134023 is an apocalyptic number.

20213134023 is a deficient number, since it is larger than the sum of its proper divisors (6943443513).

20213134023 is a wasteful number, since it uses less digits than its factorization.

20213134023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51433045.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20213134023 its reverse (32043131202), we get a palindrome (52256265225).

The spelling of 20213134023 in words is "twenty billion, two hundred thirteen million, one hundred thirty-four thousand, twenty-three".

Divisors: 1 3 131 393 51432911 154298733 6737711341 20213134023