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123130030012132 = 2211131511425578081
BaseRepresentation
bin11011111111110001110001…
…101100110011011011100100
3121010222010010111110022220211
4123333301301230303123210
5112114330300140342012
61113513053242505204
734635564633254443
oct3377616154633344
9533863114408824
10123130030012132
1136262174a48630
1211987511b05204
13539215c10ba50
14225974d404d5a
15e37d6468a6a7
hex6ffc71b336e4

123130030012132 has 48 divisors (see below), whose sum is σ = 254824933313664. Its totient is φ = 51320810880000.

The previous prime is 123130030012103. The next prime is 123130030012139. The reversal of 123130030012132 is 231210030031321.

It is a super-2 number, since 2×1231300300121322 (a number of 29 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (123130030012139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 712702669 + ... + 712875412.

It is an arithmetic number, because the mean of its divisors is an integer number (5308852777368).

Almost surely, 2123130030012132 is an apocalyptic number.

It is an amenable number.

123130030012132 is an abundant number, since it is smaller than the sum of its proper divisors (131694903301532).

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

123130030012132 is a wasteful number, since it uses less digits than its factorization.

123130030012132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425578260 (or 1425578258 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123130030012132 its reverse (231210030031321), we get a palindrome (354340060043453).

The spelling of 123130030012132 in words is "one hundred twenty-three trillion, one hundred thirty billion, thirty million, twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 11 13 22 26 44 52 143 151 286 302 572 604 1661 1963 3322 3926 6644 7852 21593 43186 86372 1425578081 2851156162 5702312324 15681358891 18532515053 31362717782 37065030106 62725435564 74130060212 203857665583 215262290231 407715331166 430524580462 815430662332 861049160924 2367885192541 2798409773003 4735770385082 5596819546006 9471540770164 11193639092012 30782507503033 61565015006066 123130030012132