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117687862936 = 2377933180369
BaseRepresentation
bin110110110011010111…
…1100100011010011000
3102020202212110212201101
41231212233210122120
53412011043103221
6130022015201144
711334262221010
oct1554657443230
9366685425641
10117687862936
1145a02804346
121a9855161b4
13b137182a27
1459a6238c40
1530dbed7d91
hex1b66be4698

117687862936 has 64 divisors (see below), whose sum is σ = 256155264000. Its totient is φ = 49648135680.

The previous prime is 117687862909. The next prime is 117687862951. The reversal of 117687862936 is 639268786711.

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, 1424160 + ... + 1504528.

It is an arithmetic number, because the mean of its divisors is an integer number (4002426000).

Almost surely, 2117687862936 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 117687862936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128077632000).

117687862936 is an abundant number, since it is smaller than the sum of its proper divisors (138467401064).

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

117687862936 is a wasteful number, since it uses less digits than its factorization.

117687862936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80792 (or 80788 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 64.

The spelling of 117687862936 in words is "one hundred seventeen billion, six hundred eighty-seven million, eight hundred sixty-two thousand, nine hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 79 158 316 331 553 632 662 1106 1324 2212 2317 2648 4424 4634 9268 18536 26149 52298 80369 104596 160738 183043 209192 321476 366086 562583 642952 732172 1125166 1464344 2250332 4500664 6349151 12698302 25396604 26602139 44444057 50793208 53204278 88888114 106408556 177776228 186214973 212817112 355552456 372429946 744859892 1489719784 2101568981 4203137962 8406275924 14710982867 16812551848 29421965734 58843931468 117687862936