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50690984407 = 749031476967
BaseRepresentation
bin101111001101011010…
…110000100111010111
311211211202000211000221
4233031122300213113
51312303343000112
635142003415211
73443112154360
oct571532604727
9154752024027
1050690984407
111a552814948
1299a8384507
134a1ac7363b
14264c3dcb67
1514ba385e07
hexbcd6b09d7

50690984407 has 8 divisors (see below), whose sum is σ = 57944408576. Its totient is φ = 43440523992.

The previous prime is 50690984381. The next prime is 50690984411. The reversal of 50690984407 is 70448909605.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50690984407 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 (50690984437) 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, 704163 + ... + 772804.

It is an arithmetic number, because the mean of its divisors is an integer number (7243051072).

Almost surely, 250690984407 is an apocalyptic number.

50690984407 is a deficient number, since it is larger than the sum of its proper divisors (7253424169).

50690984407 is a wasteful number, since it uses less digits than its factorization.

50690984407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481877.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 50690984407 in words is "fifty billion, six hundred ninety million, nine hundred eighty-four thousand, four hundred seven".

Divisors: 1 7 4903 34321 1476967 10338769 7241569201 50690984407