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50001879321 = 3219239232
BaseRepresentation
bin101110100100010110…
…000010000100011001
311210001201100122120100
4232210112002010121
51304400440114241
634545345450013
73420043650552
oct564426020431
9153051318510
1050001879321
111a229837009
129835640909
13493b27a254
1425c4a9d329
151479b169b6
hexba4582119

50001879321 has 27 divisors (see below), whose sum is σ = 76245753909. Its totient is φ = 31572084312.

The previous prime is 50001879307. The next prime is 50001879371. The reversal of 50001879321 is 12397810005.

The square root of 50001879321 is 223611.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 50001879321 - 29 = 50001878809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50001879371) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12743866 + ... + 12747788.

Almost surely, 250001879321 is an apocalyptic number.

50001879321 is the 223611-st square number.

50001879321 is the 111806-th centered octagonal number.

It is an amenable number.

50001879321 is a deficient number, since it is larger than the sum of its proper divisors (26243874588).

50001879321 is an frugal number, since it uses more digits than its factorization.

50001879321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7890 (or 3945 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

Multiplying 50001879321 by its sum of digits (36), we get a square (1800067655556 = 13416662).

The spelling of 50001879321 in words is "fifty billion, one million, eight hundred seventy-nine thousand, three hundred twenty-one".

Divisors: 1 3 9 19 57 171 361 1083 3249 3923 11769 35307 74537 223611 670833 1416203 4248609 12745827 15389929 46169787 138509361 292408651 877225953 2631677859 5555764369 16667293107 50001879321