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117962019840 = 21035721973113
BaseRepresentation
bin110110111011100010…
…1011001010000000000
3102021110222100111021210
41231313011121100000
53413041234113330
6130105131250120
711344131424200
oct1556705312000
9367428314253
10117962019840
11460335374a5
121aa412a9940
13b17bc02952
1459d0802400
1531060de8b0
hex1b77159400

117962019840 has 1056 divisors, whose sum is σ = 472465941120. Its totient is φ = 24970788864.

The previous prime is 117962019839. The next prime is 117962019869. The reversal of 117962019840 is 48910269711.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 117962019840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1043911624 + ... + 1043911736.

Almost surely, 2117962019840 is an apocalyptic number.

117962019840 is a gapful number since it is divisible by the number (10) 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 117962019840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236232970560).

117962019840 is an abundant number, since it is smaller than the sum of its proper divisors (354503921280).

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

117962019840 is a wasteful number, since it uses less digits than its factorization.

117962019840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 117962019840 in words is "one hundred seventeen billion, nine hundred sixty-two million, nineteen thousand, eight hundred forty".