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13434412431 = 311735576759
BaseRepresentation
bin11001000001100000…
…01101110110001111
31021200021012212021210
430200300031312033
5210003202144211
610101030025503
7653626423116
oct144060156617
937607185253
1013434412431
1157744149a0
12272b1a8293
1313613a178b
1491632ac7d
155396619a6
hex320c0dd8f

13434412431 has 16 divisors (see below), whose sum is σ = 19808651520. Its totient is φ = 8030531520.

The previous prime is 13434412427. The next prime is 13434412451. The reversal of 13434412431 is 13421443431.

It is not a de Polignac number, because 13434412431 - 22 = 13434412427 is a prime.

It is a super-2 number, since 2×134344124312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434412421) 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, 2785971 + ... + 2790788.

It is an arithmetic number, because the mean of its divisors is an integer number (1238040720).

Almost surely, 213434412431 is an apocalyptic number.

13434412431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13434412431 is a deficient number, since it is larger than the sum of its proper divisors (6374239089).

13434412431 is a wasteful number, since it uses less digits than its factorization.

13434412431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576846.

The product of its digits is 13824, while the sum is 30.

Adding to 13434412431 its reverse (13421443431), we get a palindrome (26855855862).

The spelling of 13434412431 in words is "thirteen billion, four hundred thirty-four million, four hundred twelve thousand, four hundred thirty-one".

Divisors: 1 3 11 33 73 219 803 2409 5576759 16730277 61344349 184033047 407103407 1221310221 4478137477 13434412431