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10123311132 = 22321167834597
BaseRepresentation
bin10010110110110010…
…10111100000011100
3222010111210111012100
421123121113200130
5131213031424012
64352305405100
7505602503424
oct113331274034
928114714170
1010123311132
114325388540
121b66339790
13c5440353c
146c06a1484
153e3b198dc
hex25b65781c

10123311132 has 144 divisors (see below), whose sum is σ = 28680043392. Its totient is φ = 2984826240.

The previous prime is 10123311127. The next prime is 10123311157. The reversal of 10123311132 is 23111332101.

10123311132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2199858 + ... + 2204454.

It is an arithmetic number, because the mean of its divisors is an integer number (199166968).

Almost surely, 210123311132 is an apocalyptic number.

10123311132 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 10123311132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14340021696).

10123311132 is an abundant number, since it is smaller than the sum of its proper divisors (18556732260).

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

10123311132 is a wasteful number, since it uses less digits than its factorization.

10123311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4768 (or 4763 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10123311132 its reverse (23111332101), we get a palindrome (33234643233).

The spelling of 10123311132 in words is "ten billion, one hundred twenty-three million, three hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 67 83 99 132 134 166 198 201 249 268 332 396 402 498 603 737 747 804 913 996 1206 1474 1494 1826 2211 2412 2739 2948 2988 3652 4422 4597 5478 5561 6633 8217 8844 9194 10956 11122 13266 13791 16434 16683 18388 22244 26532 27582 32868 33366 41373 50049 50567 55164 61171 66732 82746 100098 101134 122342 151701 165492 183513 200196 202268 244684 303402 307999 367026 381551 455103 550539 606804 615998 734052 763102 910206 923997 1101078 1144653 1231996 1526204 1820412 1847994 2202156 2289306 2771991 3387989 3433959 3695988 4197061 4578612 5543982 6775978 6867918 8394122 10163967 11087964 12591183 13551956 13735836 16788244 20327934 25182366 25563917 30491901 37773549 40655868 50364732 51127834 60983802 75547098 76691751 102255668 121967604 151094196 153383502 230075253 281203087 306767004 460150506 562406174 843609261 920301012 1124812348 1687218522 2530827783 3374437044 5061655566 10123311132