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13030010123 = 137912687449
BaseRepresentation
bin11000010001010011…
…00010110100001011
31020122002021002121112
430020221202310023
5203141140310443
65552542200535
7640616154464
oct141051426413
936562232545
1013030010123
115587112509
12263788314b
1312c867b480
148b873bd6b
15513dcdb18
hex308a62d0b

13030010123 has 8 divisors (see below), whose sum is σ = 14209944000. Its totient is φ = 11875451328.

The previous prime is 13030010089. The next prime is 13030010137. The reversal of 13030010123 is 32101003031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13030010123 - 210 = 13030009099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13030010098 and 13030010107.

It is not an unprimeable number, because it can be changed into a prime (13030010143) 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, 6342698 + ... + 6344751.

It is an arithmetic number, because the mean of its divisors is an integer number (1776243000).

Almost surely, 213030010123 is an apocalyptic number.

13030010123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13030010123 is a deficient number, since it is larger than the sum of its proper divisors (1179933877).

13030010123 is a wasteful number, since it uses less digits than its factorization.

13030010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12687541.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 13030010123 its reverse (32101003031), we get a palindrome (45131013154).

The spelling of 13030010123 in words is "thirteen billion, thirty million, ten thousand, one hundred twenty-three".

Divisors: 1 13 79 1027 12687449 164936837 1002308471 13030010123