Search a number
-
+
123434670741 = 3149276140203
BaseRepresentation
bin111001011110101000…
…1111001101010010101
3102210121101002221222220
41302331101321222111
54010243233430431
6132412145212553
711626553250504
oct1627521715225
9383541087886
10123434670741
1148391721088
121bb0a031159
13b84195c115
145d8d57a83b
1533267aab96
hex1cbd479a95

123434670741 has 8 divisors (see below), whose sum is σ = 165684122400. Its totient is φ = 81737499792.

The previous prime is 123434670731. The next prime is 123434670781. The reversal of 123434670741 is 147076434321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123434670741 - 27 = 123434670613 is a prime.

It is a super-2 number, since 2×1234346707412 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123434670693 and 123434670702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123434670731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138069655 + ... + 138070548.

It is an arithmetic number, because the mean of its divisors is an integer number (20710515300).

Almost surely, 2123434670741 is an apocalyptic number.

It is an amenable number.

123434670741 is a deficient number, since it is larger than the sum of its proper divisors (42249451659).

123434670741 is a wasteful number, since it uses less digits than its factorization.

123434670741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276140355.

The product of its (nonzero) digits is 338688, while the sum is 42.

The spelling of 123434670741 in words is "one hundred twenty-three billion, four hundred thirty-four million, six hundred seventy thousand, seven hundred forty-one".

Divisors: 1 3 149 447 276140203 828420609 41144890247 123434670741