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117453829728 = 2531989977459
BaseRepresentation
bin110110101100011001…
…0110011011001100000
3102020011120002202111210
41231120302303121200
53411021140022403
6125542455110120
711325421036314
oct1553062633140
9366146082453
10117453829728
11458a2696774
121a91b072340
13b0ca840a41
145983117b44
1530c66a9b03
hex1b58cb3660

117453829728 has 192 divisors, whose sum is σ = 331617888000. Its totient is φ = 36290985984.

The previous prime is 117453829687. The next prime is 117453829729. The reversal of 117453829728 is 827928354711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117453829729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15742863 + ... + 15750321.

It is an arithmetic number, because the mean of its divisors is an integer number (1727176500).

Almost surely, 2117453829728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117453829728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165808944000).

117453829728 is an abundant number, since it is smaller than the sum of its proper divisors (214164058272).

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

117453829728 is a wasteful number, since it uses less digits than its factorization.

117453829728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677 (or 7669 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 57.

The spelling of 117453829728 in words is "one hundred seventeen billion, four hundred fifty-three million, eight hundred twenty-nine thousand, seven hundred twenty-eight".