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120639962112 = 2103237921613
BaseRepresentation
bin111000001011010110…
…0111011110000000000
3102112101121101001110220
41300112230323300000
53434032312241422
6131230553023040
711500366521105
oct1602654736000
9375347331426
10120639962112
114718812812a
121b46a0b4a80
13b4b7965487
145ba6332aac
153211268e5c
hex1c16b3bc00

120639962112 has 176 divisors, whose sum is σ = 339792829440. Its totient is φ = 37976260608.

The previous prime is 120639962081. The next prime is 120639962143. The reversal of 120639962112 is 211269936021.

It is an interprime number because it is at equal distance from previous prime (120639962081) and next prime (120639962143).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5571018 + ... + 5592630.

Almost surely, 2120639962112 is an apocalyptic number.

120639962112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120639962112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169896414720).

120639962112 is an abundant number, since it is smaller than the sum of its proper divisors (219152867328).

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

120639962112 is a wasteful number, since it uses less digits than its factorization.

120639962112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21738 (or 21720 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 120639962112 in words is "one hundred twenty billion, six hundred thirty-nine million, nine hundred sixty-two thousand, one hundred twelve".