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42212402231999 = 1272391907729269
BaseRepresentation
bin10011001100100010101110…
…01111010111101010111111
312112110110120220001012200212
421212101113033113222333
521013101444432410444
6225440035422143035
711614513451531426
oct1146212717275277
9175413526035625
1042212402231999
11124a51a764856a
124899068121a7b
131a727c6725ccc
14a5d13c2502bd
154d3094d9419e
hex2664573d7abf

42212402231999 has 16 divisors (see below), whose sum is σ = 42745256755200. Its totient is φ = 41682864422304.

The previous prime is 42212402231981. The next prime is 42212402232173. The reversal of 42212402231999 is 99913220421224.

It is a cyclic number.

It is not a de Polignac number, because 42212402231999 - 216 = 42212402166463 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 (42212402231929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57518537 + ... + 58247805.

It is an arithmetic number, because the mean of its divisors is an integer number (2671578547200).

Almost surely, 242212402231999 is an apocalyptic number.

42212402231999 is a deficient number, since it is larger than the sum of its proper divisors (532854523201).

42212402231999 is a wasteful number, since it uses less digits than its factorization.

42212402231999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731542.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 42212402231999 in words is "forty-two trillion, two hundred twelve billion, four hundred two million, two hundred thirty-one thousand, nine hundred ninety-nine".

Divisors: 1 127 239 1907 30353 242189 455773 729269 57883171 92617163 174295291 1390715983 22135501957 176620929841 332381119937 42212402231999