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13421424001 = 193519713381
BaseRepresentation
bin11000111111111101…
…01010110110000001
31021122100202222111211
430133332222312001
5204441341032001
610055443410121
7653411136016
oct143776526601
937570688454
1013421424001
115768053557
122726983941
13135b7a490b
1491470970d
15538448351
hex31ffaad81

13421424001 has 8 divisors (see below), whose sum is σ = 13494569384. Its totient is φ = 13348316160.

The previous prime is 13421423999. The next prime is 13421424031. The reversal of 13421424001 is 10042412431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6225025 + 13415198976 = 2495^2 + 115824^2 .

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 13421424001 - 21 = 13421423999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13421424031) 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, 996331 + ... + 1009711.

It is an arithmetic number, because the mean of its divisors is an integer number (1686821173).

Almost surely, 213421424001 is an apocalyptic number.

It is an amenable number.

13421424001 is a deficient number, since it is larger than the sum of its proper divisors (73145383).

13421424001 is a wasteful number, since it uses less digits than its factorization.

13421424001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18771.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 13421424001 its reverse (10042412431), we get a palindrome (23463836432).

The spelling of 13421424001 in words is "thirteen billion, four hundred twenty-one million, four hundred twenty-four thousand, one".

Divisors: 1 193 5197 13381 1003021 2582533 69541057 13421424001