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103123232212 = 227111325755053
BaseRepresentation
bin110000000001010011…
…1111010010111010100
3100212011211112222101211
41200002213322113110
53142144021412322
6115212452431204
710310330003530
oct1400247722724
9325154488354
10103123232212
113a809415750
1217b9b918504
1399558b0140
144dc3b84bc0
152a38521b77
hex18029fa5d4

103123232212 has 48 divisors (see below), whose sum is σ = 242303548032. Its totient is φ = 37087274880.

The previous prime is 103123232209. The next prime is 103123232213. The reversal of 103123232212 is 212232321301.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103123232213) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12873523 + ... + 12881530.

It is an arithmetic number, because the mean of its divisors is an integer number (5047990584).

Almost surely, 2103123232212 is an apocalyptic number.

It is an amenable number.

103123232212 is an abundant number, since it is smaller than the sum of its proper divisors (139180315820).

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

103123232212 is a wasteful number, since it uses less digits than its factorization.

103123232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25755088 (or 25755086 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 103123232212 its reverse (212232321301), we get a palindrome (315355553513).

The spelling of 103123232212 in words is "one hundred three billion, one hundred twenty-three million, two hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 572 1001 2002 4004 25755053 51510106 103020212 180285371 283305583 334815689 360570742 566611166 669631378 721141484 1133222332 1339262756 1983139081 2343709823 3682972579 3966278162 4687419646 7365945158 7932556324 9374839292 14731890316 25780808053 51561616106 103123232212