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1301021412 = 223108418451
BaseRepresentation
bin100110110001100…
…0000001011100100
310100200002201212020
41031203000023210
510131030141122
6333033223140
744145333225
oct11543001344
93320081766
101301021412
11608435709
12303861ab0
13179704b72
14c4b0924c
1579342c5c
hex4d8c02e4

1301021412 has 12 divisors (see below), whose sum is σ = 3035716656. Its totient is φ = 433673800.

The previous prime is 1301021399. The next prime is 1301021413. The reversal of 1301021412 is 2141201031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1301021391 and 1301021400.

It is not an unprimeable number, because it can be changed into a prime (1301021413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54209214 + ... + 54209237.

It is an arithmetic number, because the mean of its divisors is an integer number (252976388).

Almost surely, 21301021412 is an apocalyptic number.

1301021412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1301021412 is an abundant number, since it is smaller than the sum of its proper divisors (1734695244).

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

1301021412 is a wasteful number, since it uses less digits than its factorization.

1301021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108418458 (or 108418456 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1301021412 is about 36069.6744093983. The cubic root of 1301021412 is about 1091.6786445888.

Adding to 1301021412 its reverse (2141201031), we get a palindrome (3442222443).

The spelling of 1301021412 in words is "one billion, three hundred one million, twenty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 108418451 216836902 325255353 433673804 650510706 1301021412