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115212026052 = 223823190871
BaseRepresentation
bin110101101001100101…
…1000000000011000100
3102000101022202100000000
41223103023000003010
53341423234313202
6124532213321300
711216030030454
oct1532313000304
9360338670000
10115212026052
1144952204462
121a3b4336230
13ab312638a6
14580d4b7d64
152ee498191c
hex1ad32c00c4

115212026052 has 108 divisors (see below), whose sum is σ = 315566387136. Its totient is φ = 36734076720.

The previous prime is 115212026021. The next prime is 115212026053. The reversal of 115212026052 is 250620212511.

115212026052 is a `hidden beast` number, since 1 + 1 + 52 + 1 + 2 + 0 + 2 + 605 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (115212026053) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 508177 + ... + 699047.

It is an arithmetic number, because the mean of its divisors is an integer number (2921910992).

Almost surely, 2115212026052 is an apocalyptic number.

115212026052 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 115212026052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157783193568).

115212026052 is an abundant number, since it is smaller than the sum of its proper divisors (200354361084).

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

115212026052 is an equidigital number, since it uses as much as digits as its factorization.

115212026052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190922 (or 190899 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 115212026052 its reverse (250620212511), we get a palindrome (365832238563).

The spelling of 115212026052 in words is "one hundred fifteen billion, two hundred twelve million, twenty-six thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 23 27 36 46 54 69 81 92 108 138 162 207 243 276 324 414 486 621 729 828 972 1242 1458 1863 2187 2484 2916 3726 4374 5589 6561 7452 8748 11178 13122 16767 22356 26244 33534 50301 67068 100602 150903 190871 201204 301806 381742 572613 603612 763484 1145226 1717839 2290452 3435678 4390033 5153517 6871356 8780066 10307034 13170099 15460551 17560132 20614068 26340198 30921102 39510297 46381653 52680396 61842204 79020594 92763306 118530891 139144959 158041188 185526612 237061782 278289918 355592673 417434877 474123564 556579836 711185346 834869754 1066778019 1252304631 1422370692 1669739508 2133556038 2504609262 3200334057 4267112076 5009218524 6400668114 9601002171 12801336228 19202004342 28803006513 38404008684 57606013026 115212026052