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31420635043006 = 2118623165628051
BaseRepresentation
bin1110010010011101011111…
…10010100101010010111110
311010020210011002011100110001
413021032233302211102332
513104243430032334011
6150454235050304514
76422031425123416
oct711165762452276
9133223132140401
1031420635043006
11a0144643905a0
12363564312813a
13146bc51168b31
147a8aa4347646
153974c97e57c1
hex1c93afca54be

31420635043006 has 16 divisors (see below), whose sum is σ = 51421547536128. Its totient is φ = 14280450471000.

The previous prime is 31420635043003. The next prime is 31420635043151. The reversal of 31420635043006 is 60034053602413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31420635043003) 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, 82624320 + ... + 83003731.

It is an arithmetic number, because the mean of its divisors is an integer number (3213846721008).

Almost surely, 231420635043006 is an apocalyptic number.

31420635043006 is a deficient number, since it is larger than the sum of its proper divisors (20000912493122).

31420635043006 is a wasteful number, since it uses less digits than its factorization.

31420635043006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165636687.

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 31420635043006 its reverse (60034053602413), we get a palindrome (91454688645419).

The spelling of 31420635043006 in words is "thirty-one trillion, four hundred twenty billion, six hundred thirty-five million, forty-three thousand, six".

Divisors: 1 2 11 22 8623 17246 94853 189706 165628051 331256102 1821908561 3643817122 1428210683773 2856421367546 15710317521503 31420635043006