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123102048 = 2536719139
BaseRepresentation
bin1110101011001…
…10001101100000
322120122020021010
413111212031200
5223003231143
620114300520
73023231046
oct725461540
9276566233
10123102048
1163540433
1235287740
131c671b64
14124c6396
15ac19a33
hex7566360

123102048 has 48 divisors (see below), whose sum is σ = 327983040. Its totient is φ = 40419456.

The previous prime is 123102037. The next prime is 123102053. The reversal of 123102048 is 840201321.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1231020482 = 30308228443588608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3138 + ... + 16001.

It is an arithmetic number, because the mean of its divisors is an integer number (6832980).

Almost surely, 2123102048 is an apocalyptic number.

It is an amenable number.

123102048 is an abundant number, since it is smaller than the sum of its proper divisors (204880992).

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

123102048 is a wasteful number, since it uses less digits than its factorization.

123102048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19219 (or 19211 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 123102048 is about 11095.1362317008. The cubic root of 123102048 is about 497.4564802887.

Adding to 123102048 its reverse (840201321), we get a palindrome (963303369).

The spelling of 123102048 in words is "one hundred twenty-three million, one hundred two thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 67 96 134 201 268 402 536 804 1072 1608 2144 3216 6432 19139 38278 57417 76556 114834 153112 229668 306224 459336 612448 918672 1282313 1837344 2564626 3846939 5129252 7693878 10258504 15387756 20517008 30775512 41034016 61551024 123102048