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123241002001 = 1317989526993
BaseRepresentation
bin111001011000110111…
…1000111010000010001
3102210002212200120102121
41302301233013100101
54004344144031001
6132341030214241
711622012142555
oct1626157072021
9383085616377
10123241002001
11482a2372977
121ba751b4381
13b8107b0830
145d71965865
1533147a26a1
hex1cb1bc7411

123241002001 has 8 divisors (see below), whose sum is σ = 132728708840. Its totient is φ = 113754385152.

The previous prime is 123241001999. The next prime is 123241002007. The reversal of 123241002001 is 100200142321.

It can be written as a sum of positive squares in 4 ways, for example, as 617771025 + 122623230976 = 24855^2 + 350176^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 123241002001 - 21 = 123241001999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123241002007) 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, 29640 + ... + 497353.

It is an arithmetic number, because the mean of its divisors is an integer number (16591088605).

Almost surely, 2123241002001 is an apocalyptic number.

It is an amenable number.

123241002001 is a deficient number, since it is larger than the sum of its proper divisors (9487706839).

123241002001 is a wasteful number, since it uses less digits than its factorization.

123241002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544995.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 123241002001 its reverse (100200142321), we get a palindrome (223441144322).

The spelling of 123241002001 in words is "one hundred twenty-three billion, two hundred forty-one million, two thousand, one".

Divisors: 1 13 17989 233857 526993 6850909 9480077077 123241002001