Search a number
-
+
86963217120 = 253251317231092
BaseRepresentation
bin101000011111101101…
…0010110001011100000
322022110121122011011100
41100333122112023200
52411100040421440
6103541135314400
76166013102103
oct1207732261340
9268417564140
1086963217120
113397651817a
1214a2b97ba00
13827b92c630
1442cd87c73a
1523de96e230
hex143f6962e0

86963217120 has 864 divisors, whose sum is σ = 356370985152. Its totient is φ = 19094372352.

The previous prime is 86963217119. The next prime is 86963217161. The reversal of 86963217120 is 2171236968.

86963217120 is a `hidden beast` number, since 8 + 6 + 9 + 632 + 1 + 7 + 1 + 2 + 0 = 666.

It is a super-2 number, since 2×869632171202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 797827626 + ... + 797827734.

It is an arithmetic number, because the mean of its divisors is an integer number (412466418).

Almost surely, 286963217120 is an apocalyptic number.

86963217120 is a gapful number since it is divisible by the number (80) 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 86963217120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178185492576).

86963217120 is an abundant number, since it is smaller than the sum of its proper divisors (269407768032).

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

86963217120 is a wasteful number, since it uses less digits than its factorization.

86963217120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 86963217120 in words is "eighty-six billion, nine hundred sixty-three million, two hundred seventeen thousand, one hundred twenty".