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102400430020241 = 1717334818235301
BaseRepresentation
bin10111010010000111110101…
…010000011001011010010001
3111102120101102000220001010012
4113102013311100121122101
5101410212040041121431
61001442035204444305
730366121054514543
oct2722076520313221
9442511360801105
10102400430020241
112a69a862199991
12b599a809a9695
13451a41c13b1a2
141b402c8a01693
15bc8a0bcd922b
hex5d21f5419691

102400430020241 has 8 divisors (see below), whose sum is σ = 109050712965864. Its totient is φ = 95819783545600.

The previous prime is 102400430020223. The next prime is 102400430020243. The reversal of 102400430020241 is 142020034004201.

It can be written as a sum of positive squares in 4 ways, for example, as 35064209622016 + 67336220398225 = 5921504^2 + 8205865^2 .

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 102400430020241 - 234 = 102383250151057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102400430020243) 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, 17409114710 + ... + 17409120591.

It is an arithmetic number, because the mean of its divisors is an integer number (13631339120733).

Almost surely, 2102400430020241 is an apocalyptic number.

It is an amenable number.

102400430020241 is a deficient number, since it is larger than the sum of its proper divisors (6650282945623).

102400430020241 is a wasteful number, since it uses less digits than its factorization.

102400430020241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34818235491.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 102400430020241 its reverse (142020034004201), we get a palindrome (244420464024442).

The spelling of 102400430020241 in words is "one hundred two trillion, four hundred billion, four hundred thirty million, twenty thousand, two hundred forty-one".

Divisors: 1 17 173 2941 34818235301 591910000117 6023554707073 102400430020241