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213026143537 = 2879456116223
BaseRepresentation
bin1100011001100101011…
…0001111110100110001
3202100212011021100011001
43012121112033310301
511442234143043122
6241510213322001
721250662225604
oct3063126176461
9670764240131
10213026143537
1182386782689
1235352036301
131711bc4570c
14a44c0d433b
15581bd3c527
hex319958fd31

213026143537 has 8 divisors (see below), whose sum is σ = 213159997440. Its totient is φ = 212892336960.

The previous prime is 213026143483. The next prime is 213026143541. The reversal of 213026143537 is 735341620312.

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 213026143537 - 219 = 213025619249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213026143496 and 213026143505.

It is not an unprimeable number, because it can be changed into a prime (213026143597) 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, 13123008 + ... + 13139230.

It is an arithmetic number, because the mean of its divisors is an integer number (26644999680).

Almost surely, 2213026143537 is an apocalyptic number.

It is an amenable number.

213026143537 is a deficient number, since it is larger than the sum of its proper divisors (133853903).

213026143537 is a wasteful number, since it uses less digits than its factorization.

213026143537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23663.

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 213026143537 its reverse (735341620312), we get a palindrome (948367763849).

The spelling of 213026143537 in words is "two hundred thirteen billion, twenty-six million, one hundred forty-three thousand, five hundred thirty-seven".

Divisors: 1 2879 4561 16223 13131119 46706017 73993103 213026143537