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1302130004 = 227232239067
BaseRepresentation
bin100110110011100…
…1110110101010100
310100202012001120012
41031213032311110
510131321130004
6333113055352
744160631250
oct11547166524
93322161505
101302130004
116090225aa
123040b7558
13179a02636
14c4d17260
15794b146e
hex4d9ced54

1302130004 has 48 divisors (see below), whose sum is σ = 2729975808. Its totient is φ = 531340128.

The previous prime is 1302130003. The next prime is 1302130031. The reversal of 1302130004 is 4000312031.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302130001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139079 + ... + 148145.

It is an arithmetic number, because the mean of its divisors is an integer number (56874496).

Almost surely, 21302130004 is an apocalyptic number.

1302130004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1302130004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364987904).

1302130004 is an abundant number, since it is smaller than the sum of its proper divisors (1427845804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1302130004 is a wasteful number, since it uses less digits than its factorization.

1302130004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9324 (or 9322 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1302130004 is about 36085.0385062840. The cubic root of 1302130004 is about 1091.9886273510.

Adding to 1302130004 its reverse (4000312031), we get a palindrome (5302442035).

The spelling of 1302130004 in words is "one billion, three hundred two million, one hundred thirty thousand, four".

Divisors: 1 2 4 7 14 23 28 46 92 161 223 322 446 644 892 1561 3122 5129 6244 9067 10258 18134 20516 35903 36268 63469 71806 126938 143612 208541 253876 417082 834164 1459787 2021941 2919574 4043882 5839148 8087764 14153587 28307174 46504643 56614348 93009286 186018572 325532501 651065002 1302130004