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20350051255 = 59834140397
BaseRepresentation
bin10010111100111101…
…010010001110110111
31221112020012201022001
4102330331102032313
5313134103120010
613203152120131
71320202403332
oct227475221667
957466181261
1020350051255
1186a3089786
123b3b236047
131bc407b261
14db09a7619
157e1864c3a
hex4bcf523b7

20350051255 has 8 divisors (see below), whose sum is σ = 24444909792. Its totient is φ = 16263475488.

The previous prime is 20350051231. The next prime is 20350051273. The reversal of 20350051255 is 55215005302.

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

It is not a de Polignac number, because 20350051255 - 217 = 20349920183 is a prime.

It is a super-2 number, since 2×203500512552 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2065284 + ... + 2075113.

It is an arithmetic number, because the mean of its divisors is an integer number (3055613724).

Almost surely, 220350051255 is an apocalyptic number.

20350051255 is a deficient number, since it is larger than the sum of its proper divisors (4094858537).

20350051255 is an equidigital number, since it uses as much as digits as its factorization.

20350051255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141385.

The product of its (nonzero) digits is 7500, while the sum is 28.

Adding to 20350051255 its reverse (55215005302), we get a palindrome (75565056557).

The spelling of 20350051255 in words is "twenty billion, three hundred fifty million, fifty-one thousand, two hundred fifty-five".

Divisors: 1 5 983 4915 4140397 20701985 4070010251 20350051255