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13421423401 = 371792026487
BaseRepresentation
bin11000111111111101…
…01010101100101001
31021122100202221200121
430133332222230221
5204441341022101
610055443403241
7653411134201
oct143776525451
937570687617
1013421423401
115768053061
122726983521
13135b7a4569
14914709401
155384480a1
hex31ffaab29

13421423401 has 8 divisors (see below), whose sum is σ = 13861177920. Its totient is φ = 12985722288.

The previous prime is 13421423377. The next prime is 13421423419. The reversal of 13421423401 is 10432412431.

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 13421423401 - 211 = 13421421353 is a prime.

It is a super-2 number, since 2×134214234012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13421420401) 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, 1006621 + ... + 1019866.

It is an arithmetic number, because the mean of its divisors is an integer number (1732647240).

Almost surely, 213421423401 is an apocalyptic number.

It is an amenable number.

13421423401 is a deficient number, since it is larger than the sum of its proper divisors (439754519).

13421423401 is a wasteful number, since it uses less digits than its factorization.

13421423401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026703.

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

Adding to 13421423401 its reverse (10432412431), we get a palindrome (23853835832).

The spelling of 13421423401 in words is "thirteen billion, four hundred twenty-one million, four hundred twenty-three thousand, four hundred one".

Divisors: 1 37 179 6623 2026487 74980019 362741173 13421423401