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102040133401 = 439692320729
BaseRepresentation
bin101111100001000010…
…0001101111100011001
3100202101100111212011001
41133002010031330121
53132434233232101
6114513202105001
710241435552203
oct1370204157431
9322340455131
10102040133401
113a302aa4568
121793904b161
13981239927b
144d1dda5773
1529c33c8901
hex17c210df19

102040133401 has 4 divisors (see below), whose sum is σ = 102042498100. Its totient is φ = 102037768704.

The previous prime is 102040133399. The next prime is 102040133407. The reversal of 102040133401 is 104331040201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54298320400 + 47741813001 = 233020^2 + 218499^2 .

It is a cyclic number.

It is not a de Polignac number, because 102040133401 - 21 = 102040133399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102040133407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116396 + ... + 1204333.

It is an arithmetic number, because the mean of its divisors is an integer number (25510624525).

Almost surely, 2102040133401 is an apocalyptic number.

It is an amenable number.

102040133401 is a deficient number, since it is larger than the sum of its proper divisors (2364699).

102040133401 is an equidigital number, since it uses as much as digits as its factorization.

102040133401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364698.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102040133401 its reverse (104331040201), we get a palindrome (206371173602).

The spelling of 102040133401 in words is "one hundred two billion, forty million, one hundred thirty-three thousand, four hundred one".

Divisors: 1 43969 2320729 102040133401