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50020105351 = 291724831219
BaseRepresentation
bin101110100101011011…
…100011110010000111
311210002222122121222111
4232211123203302013
51304420121332401
634551240241451
73420354610636
oct564533436207
9153088577874
1050020105351
111a239055547
12983b770287
134941c8c098
1425c728551d
15147b516e51
hexba56e3c87

50020105351 has 4 divisors (see below), whose sum is σ = 51744936600. Its totient is φ = 48295274104.

The previous prime is 50020105297. The next prime is 50020105441. The reversal of 50020105351 is 15350102005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50020105351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50020105151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862415581 + ... + 862415638.

It is an arithmetic number, because the mean of its divisors is an integer number (12936234150).

Almost surely, 250020105351 is an apocalyptic number.

50020105351 is a deficient number, since it is larger than the sum of its proper divisors (1724831249).

50020105351 is a wasteful number, since it uses less digits than its factorization.

50020105351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724831248.

The product of its (nonzero) digits is 750, while the sum is 22.

Adding to 50020105351 its reverse (15350102005), we get a palindrome (65370207356).

The spelling of 50020105351 in words is "fifty billion, twenty million, one hundred five thousand, three hundred fifty-one".

Divisors: 1 29 1724831219 50020105351