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14245238640 = 243559355161
BaseRepresentation
bin11010100010001010…
…10001011101110000
31100202202221002202010
431101011101131300
5213133240114030
610313312522520
71013003346663
oct152105213560
940682832663
1014245238640
11605007a6a6
122916850440
1314603752b9
14991cb36da
155859266b0
hex351151770

14245238640 has 40 divisors (see below), whose sum is σ = 44160240528. Its totient is φ = 3798730240.

The previous prime is 14245238593. The next prime is 14245238653. The reversal of 14245238640 is 4683254241.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29677341 + ... + 29677820.

Almost surely, 214245238640 is an apocalyptic number.

14245238640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14245238640 is an abundant number, since it is smaller than the sum of its proper divisors (29915001888).

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

14245238640 is a wasteful number, since it uses less digits than its factorization.

14245238640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59355177 (or 59355171 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The spelling of 14245238640 in words is "fourteen billion, two hundred forty-five million, two hundred thirty-eight thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 59355161 118710322 178065483 237420644 296775805 356130966 474841288 593551610 712261932 890327415 949682576 1187103220 1424523864 1780654830 2374206440 2849047728 3561309660 4748412880 7122619320 14245238640