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1301220030 = 235113943091
BaseRepresentation
bin100110110001111…
…0000101010111110
310100200110211022110
41031203300222332
510131103020110
6333041354450
744150121255
oct11543605276
93320424273
101301220030
11608560960
12303938a26
131797743a6
14c4b5b79c
1579381a20
hex4d8f0abe

1301220030 has 32 divisors (see below), whose sum is σ = 3406831488. Its totient is φ = 315447200.

The previous prime is 1301220023. The next prime is 1301220031. The reversal of 1301220030 is 300221031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1301219988 and 1301220015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301220031) 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, 1971216 + ... + 1971875.

It is an arithmetic number, because the mean of its divisors is an integer number (106463484).

Almost surely, 21301220030 is an apocalyptic number.

1301220030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1301220030 is an abundant number, since it is smaller than the sum of its proper divisors (2105611458).

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

1301220030 is a wasteful number, since it uses less digits than its factorization.

1301220030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943112.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1301220030 is about 36072.4275590097. The cubic root of 1301220030 is about 1091.7341947881.

Adding to 1301220030 its reverse (300221031), we get a palindrome (1601441061).

The spelling of 1301220030 in words is "one billion, three hundred one million, two hundred twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 3943091 7886182 11829273 19715455 23658546 39430910 43374001 59146365 86748002 118292730 130122003 216870005 260244006 433740010 650610015 1301220030