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1301122013 = 17974911607
BaseRepresentation
bin100110110001101…
…1000101111011101
310100200021211212012
41031203120233131
510131041401023
6333035321005
744146232432
oct11543305735
93320254765
101301122013
116084a4254
123038b0165
1317973b8a9
14c4b33b89
1579362978
hex4d8d8bdd

1301122013 has 16 divisors (see below), whose sum is σ = 1395563904. Its totient is φ = 1208739840.

The previous prime is 1301122007. The next prime is 1301122063. The reversal of 1301122013 is 3102211031.

It is a cyclic number.

It is not a de Polignac number, because 1301122013 - 26 = 1301121949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301122063) 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, 808856 + ... + 810462.

It is an arithmetic number, because the mean of its divisors is an integer number (87222744).

Almost surely, 21301122013 is an apocalyptic number.

It is an amenable number.

1301122013 is a deficient number, since it is larger than the sum of its proper divisors (94441891).

1301122013 is a wasteful number, since it uses less digits than its factorization.

1301122013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1301122013 is about 36071.0689195649. The cubic root of 1301122013 is about 1091.7067817462.

Adding to 1301122013 its reverse (3102211031), we get a palindrome (4403333044).

The spelling of 1301122013 in words is "one billion, three hundred one million, one hundred twenty-two thousand, thirteen".

Divisors: 1 17 97 491 1607 1649 8347 27319 47627 155879 789037 809659 2649943 13413629 76536589 1301122013