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50002122007 = 76441654127
BaseRepresentation
bin101110100100010110…
…111101010100010111
311210001201210222110201
4232210112331110113
51304401020401012
634545355001331
73420046011235
oct564426752427
9153051728421
1050002122007
111a229992382
129835739247
13493b333856
1425c4b23955
151479b63857
hexba45bd517

50002122007 has 4 divisors (see below), whose sum is σ = 50002852576. Its totient is φ = 50001391440.

The previous prime is 50002121977. The next prime is 50002122019. The reversal of 50002122007 is 70022120005.

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-50002122007 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 (50002122047) 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, 250623 + ... + 403504.

It is an arithmetic number, because the mean of its divisors is an integer number (12500713144).

Almost surely, 250002122007 is an apocalyptic number.

50002122007 is a deficient number, since it is larger than the sum of its proper divisors (730569).

50002122007 is an equidigital number, since it uses as much as digits as its factorization.

50002122007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730568.

The product of its (nonzero) digits is 280, while the sum is 19.

The spelling of 50002122007 in words is "fifty billion, two million, one hundred twenty-two thousand, seven".

Divisors: 1 76441 654127 50002122007