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123130301133 = 3752611114493
BaseRepresentation
bin111001010101100100…
…0110100101011001101
3102202211011101101101110
41302223020310223031
54004132324114013
6132322033402233
711616166201530
oct1625310645315
9382734341343
10123130301133
1148245932754
121ba44109379
13b7c3891468
145d60d8aa17
153309bd72c3
hex1cab234acd

123130301133 has 16 divisors (see below), whose sum is σ = 187662957696. Its totient is φ = 70346735040.

The previous prime is 123130301131. The next prime is 123130301143. The reversal of 123130301133 is 331103031321.

It is not a de Polignac number, because 123130301133 - 21 = 123130301131 is a prime.

It is a super-2 number, since 2×1231303011332 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130301131) 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 15 ways as a sum of consecutive naturals, for example, 446766 + ... + 667727.

It is an arithmetic number, because the mean of its divisors is an integer number (11728934856).

Almost surely, 2123130301133 is an apocalyptic number.

It is an amenable number.

123130301133 is a deficient number, since it is larger than the sum of its proper divisors (64532656563).

123130301133 is a wasteful number, since it uses less digits than its factorization.

123130301133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119764.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 123130301133 its reverse (331103031321), we get a palindrome (454233332454).

The spelling of 123130301133 in words is "one hundred twenty-three billion, one hundred thirty million, three hundred one thousand, one hundred thirty-three".

Divisors: 1 3 7 21 5261 15783 36827 110481 1114493 3343479 7801451 23404353 5863347673 17590043019 41043433711 123130301133