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1376232013 = 131571793767
BaseRepresentation
bin101001000000111…
…1010001001001101
310112220121211102001
41102001322021031
510304303411023
6344321232301
746050531142
oct12201721115
93486554361
101376232013
11646935532
12324a92691
1318c179290
14d0ac63c9
1580c4c6ad
hex5207a24d

1376232013 has 16 divisors (see below), whose sum is σ = 1500266880. Its totient is φ = 1254891456.

The previous prime is 1376232007. The next prime is 1376232029. The reversal of 1376232013 is 3102326731.

It is a de Polignac number, because none of the positive numbers 2k-1376232013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376232043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363456 + ... + 367222.

It is an arithmetic number, because the mean of its divisors is an integer number (93766680).

Almost surely, 21376232013 is an apocalyptic number.

1376232013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1376232013 is a deficient number, since it is larger than the sum of its proper divisors (124034867).

1376232013 is a wasteful number, since it uses less digits than its factorization.

1376232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 1376232013 is about 37097.6011758173. The cubic root of 1376232013 is about 1112.3220640051.

Adding to 1376232013 its reverse (3102326731), we get a palindrome (4478558744).

The spelling of 1376232013 in words is "one billion, three hundred seventy-six million, two hundred thirty-two thousand, thirteen".

Divisors: 1 13 157 179 2041 2327 3767 28103 48971 365339 591419 674293 7688447 8765809 105864001 1376232013