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13013153423 = 83891761629
BaseRepresentation
bin11000001111010010…
…01111011010001111
31020120220112200120022
430013221033122033
5203122331402143
65551141012355
7640322656544
oct140751173217
936526480508
1013013153423
115578649856
1226320b40bb
1312c50289aa
148b63d0bcb
1551269e268
hex307a4f68f

13013153423 has 8 divisors (see below), whose sum is σ = 13317922800. Its totient is φ = 12711907648.

The previous prime is 13013153389. The next prime is 13013153459. The reversal of 13013153423 is 32435131031.

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 13013153423 - 228 = 12744717967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13013153392 and 13013153401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013152423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873428 + ... + 888201.

It is an arithmetic number, because the mean of its divisors is an integer number (1664740350).

Almost surely, 213013153423 is an apocalyptic number.

13013153423 is a deficient number, since it is larger than the sum of its proper divisors (304769377).

13013153423 is an equidigital number, since it uses as much as digits as its factorization.

13013153423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761801.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13013153423 its reverse (32435131031), we get a palindrome (45448284454).

The spelling of 13013153423 in words is "thirteen billion, thirteen million, one hundred fifty-three thousand, four hundred twenty-three".

Divisors: 1 83 89 7387 1761629 146215207 156784981 13013153423