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123000102 = 23219734687
BaseRepresentation
bin1110101010011…
…01010100100110
322120110001102100
413111031110212
5222442000402
620112152530
73022324611
oct725152446
9276401370
10123000102
1163480885
1235238746
131c637634
141249b178
15abe971c
hex754d526

123000102 has 24 divisors (see below), whose sum is σ = 267860736. Its totient is φ = 40790736.

The previous prime is 123000037. The next prime is 123000133. The reversal of 123000102 is 201000321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13798 + ... + 20889.

It is an arithmetic number, because the mean of its divisors is an integer number (11160864).

Almost surely, 2123000102 is an apocalyptic number.

123000102 is an abundant number, since it is smaller than the sum of its proper divisors (144860634).

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

123000102 is a wasteful number, since it uses less digits than its factorization.

123000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34892 (or 34889 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 123000102 is about 11090.5411049236. The cubic root of 123000102 is about 497.3191207971.

Adding to 123000102 its reverse (201000321), we get a palindrome (324000423).

The spelling of 123000102 in words is "one hundred twenty-three million, one hundred two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 197 394 591 1182 1773 3546 34687 69374 104061 208122 312183 624366 6833339 13666678 20500017 41000034 61500051 123000102