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139763712 = 213311247
BaseRepresentation
bin10000101010010…
…10000000000000
3100201222201202210
420111022000000
5241234414322
621511342120
73314654244
oct1025120000
9321881683
10139763712
1171990600
123a981940
1322c5692a
14147c2424
15c40b70c
hex854a000

139763712 has 168 divisors, whose sum is σ = 418356288. Its totient is φ = 41451520.

The previous prime is 139763707. The next prime is 139763761. The reversal of 139763712 is 217367931.

It is a happy number.

Its product of digits (47628) is a multiple of the sum of its prime divisors (63).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2973673 + ... + 2973719.

It is an arithmetic number, because the mean of its divisors is an integer number (2490216).

Almost surely, 2139763712 is an apocalyptic number.

139763712 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 139763712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209178144).

139763712 is an abundant number, since it is smaller than the sum of its proper divisors (278592576).

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

139763712 is an equidigital number, since it uses as much as digits as its factorization.

139763712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 63 counting only the distinct ones).

The product of its digits is 47628, while the sum is 39.

The square root of 139763712 is about 11822.1703591177. The cubic root of 139763712 is about 518.9571209113.

The spelling of 139763712 in words is "one hundred thirty-nine million, seven hundred sixty-three thousand, seven hundred twelve".