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50161201145 = 511979402287
BaseRepresentation
bin101110101101110101…
…110010111111111001
311210110211011001000122
4232231311302333321
51310212231414040
635013240343025
73424020113636
oct565565627771
9153424131018
1050161201145
111a300765940
12987aa74a75
134965291113
1425dbcd318d
151488ad81b5
hexbadd72ff9

50161201145 has 16 divisors (see below), whose sum is σ = 66342544128. Its totient is φ = 36104778240.

The previous prime is 50161201133. The next prime is 50161201157. The reversal of 50161201145 is 54110216105.

It is an interprime number because it is at equal distance from previous prime (50161201133) and next prime (50161201157).

It is not a de Polignac number, because 50161201145 - 28 = 50161200889 is a prime.

It is a super-2 number, since 2×501612011452 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4695809 + ... + 4706478.

It is an arithmetic number, because the mean of its divisors is an integer number (4146409008).

Almost surely, 250161201145 is an apocalyptic number.

50161201145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50161201145 is a deficient number, since it is larger than the sum of its proper divisors (16181342983).

50161201145 is a wasteful number, since it uses less digits than its factorization.

50161201145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9402400.

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 50161201145 in words is "fifty billion, one hundred sixty-one million, two hundred one thousand, one hundred forty-five".

Divisors: 1 5 11 55 97 485 1067 5335 9402287 47011435 103425157 517125785 912021839 4560109195 10032240229 50161201145