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1001423204431 = 13337032285629
BaseRepresentation
bin11101001001010010111…
…10010111000001001111
310112201211220102200221021
432210221132113001033
5112401403320020211
62044014130415011
7132231125535046
oct16445136270117
93481756380837
101001423204431
11356779323501
121420ba731467
13735840b0140
143667d47955d
151b0b1691771
hexe92979704f

1001423204431 has 8 divisors (see below), whose sum is σ = 1078488229280. Its totient is φ = 924362818272.

The previous prime is 1001423204399. The next prime is 1001423204437. The reversal of 1001423204431 is 1344023241001.

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 1001423204431 - 25 = 1001423204399 is a prime.

It is a super-2 number, since 2×10014232044312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001423204396 and 1001423204405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001423204437) 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, 704676 + ... + 1580953.

It is an arithmetic number, because the mean of its divisors is an integer number (134811028660).

Almost surely, 21001423204431 is an apocalyptic number.

1001423204431 is a deficient number, since it is larger than the sum of its proper divisors (77065024849).

1001423204431 is a wasteful number, since it uses less digits than its factorization.

1001423204431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319345.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1001423204431 its reverse (1344023241001), we get a palindrome (2345446445432).

The spelling of 1001423204431 in words is "one trillion, one billion, four hundred twenty-three million, two hundred four thousand, four hundred thirty-one".

Divisors: 1 13 33703 438139 2285629 29713177 77032554187 1001423204431