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50990164762540 = 22517149971072831
BaseRepresentation
bin10111001100000000100101…
…01010000101111110101100
320200112121112020211212012211
423212000102222011332230
523140410324134400130
6300240320332340204
713511626550141353
oct1346002252057654
9220477466755184
1050990164762540
1115279897774563
12587629b014664
13225b47619b783
14c83d1973a99a
155d6587c11a2a
hex2e6012a85fac

50990164762540 has 24 divisors (see below), whose sum is σ = 113378131060992. Its totient is φ = 19196297322240.

The previous prime is 50990164762519. The next prime is 50990164762543. The reversal of 50990164762540 is 4526746109905.

It is not an unprimeable number, because it can be changed into a prime (50990164762543) 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, 74985536076 + ... + 74985536755.

It is an arithmetic number, because the mean of its divisors is an integer number (4724088794208).

Almost surely, 250990164762540 is an apocalyptic number.

It is an amenable number.

50990164762540 is an abundant number, since it is smaller than the sum of its proper divisors (62387966298452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50990164762540 is a wasteful number, since it uses less digits than its factorization.

50990164762540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149971072857 (or 149971072855 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 50990164762540 in words is "fifty trillion, nine hundred ninety billion, one hundred sixty-four million, seven hundred sixty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 149971072831 299942145662 599884291324 749855364155 1499710728310 2549508238127 2999421456620 5099016476254 10198032952508 12747541190635 25495082381270 50990164762540