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1213041301 = 19619103141
BaseRepresentation
bin100100001001101…
…1000101010010101
310010112112212211121
41020103120222111
54441014310201
6320211403541
742026452363
oct11023305225
93115485747
101213041301
1157280397a
1229a2b35b1
1316440c424
14b7166633
15717649a1
hex484d8a95

1213041301 has 8 divisors (see below), whose sum is σ = 1278960800. Its totient is φ = 1147329360.

The previous prime is 1213041289. The next prime is 1213041317. The reversal of 1213041301 is 1031403121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213041301 - 29 = 1213040789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213041331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39810 + ... + 63331.

It is an arithmetic number, because the mean of its divisors is an integer number (159870100).

Almost surely, 21213041301 is an apocalyptic number.

It is an amenable number.

1213041301 is a deficient number, since it is larger than the sum of its proper divisors (65919499).

1213041301 is a wasteful number, since it uses less digits than its factorization.

1213041301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103779.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1213041301 is about 34828.7424550471. The cubic root of 1213041301 is about 1066.4942769041.

Adding to 1213041301 its reverse (1031403121), we get a palindrome (2244444422).

The spelling of 1213041301 in words is "one billion, two hundred thirteen million, forty-one thousand, three hundred one".

Divisors: 1 19 619 11761 103141 1959679 63844279 1213041301