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50061011001021 = 328276725918447
BaseRepresentation
bin10110110000111101111001…
…10001110001111010111101
320120020210012221010020120100
423120132330301301322331
523030144422304013041
6254245413322511313
713354534343365506
oct1330367461617275
9216223187106510
1050061011001021
1114a50834693189
1257461ab365539
1321c196b76c707
14c50d7446dbad
155bc3060186b6
hex2d87bcc71ebd

50061011001021 has 12 divisors (see below), whose sum is σ = 72397786174272. Its totient is φ = 33333651818376.

The previous prime is 50061011000989. The next prime is 50061011001041. The reversal of 50061011001021 is 12010011016005.

It is a happy number.

50061011001021 is a `hidden beast` number, since 50 + 0 + 610 + 1 + 1 + 0 + 0 + 1 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 50061011001021 - 25 = 50061011000989 is a prime.

It is a super-2 number, since 2×500610110010212 (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50061011000985 and 50061011001003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50061011001041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3362951781 + ... + 3362966666.

It is an arithmetic number, because the mean of its divisors is an integer number (6033148847856).

Almost surely, 250061011001021 is an apocalyptic number.

It is an amenable number.

50061011001021 is a deficient number, since it is larger than the sum of its proper divisors (22336775173251).

50061011001021 is a wasteful number, since it uses less digits than its factorization.

50061011001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6725919280 (or 6725919277 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 50061011001021 its reverse (12010011016005), we get a palindrome (62071022017026).

The spelling of 50061011001021 in words is "fifty trillion, sixty-one billion, eleven million, one thousand, twenty-one".

Divisors: 1 3 9 827 2481 7443 6725918447 20177755341 60533266023 5562334555669 16687003667007 50061011001021