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123054034124 = 22729151544377
BaseRepresentation
bin111001010011010010…
…1111000110011001100
3102202121211212121201102
41302212211320303030
54004003313042444
6132310311002232
711614252013660
oct1624645706314
9382554777642
10123054034124
114820688116a
121ba22669378
13b7b0b3a258
145d54bb68a0
15330316e84e
hex1ca6978ccc

123054034124 has 24 divisors (see below), whose sum is σ = 254594555040. Its totient is φ = 50918910336.

The previous prime is 123054034121. The next prime is 123054034139. The reversal of 123054034124 is 421430450321.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (123054034121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75771377 + ... + 75773000.

It is an arithmetic number, because the mean of its divisors is an integer number (10608106460).

Almost surely, 2123054034124 is an apocalyptic number.

123054034124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123054034124 is an abundant number, since it is smaller than the sum of its proper divisors (131540520916).

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

123054034124 is a wasteful number, since it uses less digits than its factorization.

123054034124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151544417 (or 151544415 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 123054034124 its reverse (421430450321), we get a palindrome (544484484445).

The spelling of 123054034124 in words is "one hundred twenty-three billion, fifty-four million, thirty-four thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 151544377 303088754 606177508 1060810639 2121621278 4243242556 4394786933 8789573866 17579147732 30763508531 61527017062 123054034124