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101040411421 = 1753137381677
BaseRepresentation
bin101111000011001111…
…0100101001100011101
3100122210200100201102001
41132012132211030131
53123412321131141
6114230050402301
710204606216645
oct1360636451435
9318720321361
10101040411421
113993a750654
12176ba290391
1396b32287c1
144c672cb525
15296574ea31
hex17867a531d

101040411421 has 16 divisors (see below), whose sum is σ = 109083255984. Its totient is φ = 93233480704.

The previous prime is 101040411403. The next prime is 101040411463. The reversal of 101040411421 is 124114040101.

It can be written as a sum of positive squares in 8 ways, for example, as 24715298521 + 76325112900 = 157211^2 + 276270^2 .

It is a cyclic number.

It is not a de Polignac number, because 101040411421 - 27 = 101040411293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101040411401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196235 + ... + 1277911.

It is an arithmetic number, because the mean of its divisors is an integer number (6817703499).

Almost surely, 2101040411421 is an apocalyptic number.

It is an amenable number.

101040411421 is a deficient number, since it is larger than the sum of its proper divisors (8042844563).

101040411421 is a wasteful number, since it uses less digits than its factorization.

101040411421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83120.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101040411421 its reverse (124114040101), we get a palindrome (225154451522).

The spelling of 101040411421 in words is "one hundred one billion, forty million, four hundred eleven thousand, four hundred twenty-one".

Divisors: 1 17 53 901 1373 23341 72769 81677 1237073 1388509 4328881 73590977 112142521 1906422857 5943553613 101040411421