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1214316461 = 11711036991
BaseRepresentation
bin100100001100000…
…1111111110101101
310010121221200000202
41020120033332231
54441331111321
6320255003245
742043343141
oct11030177655
93117850022
101214316461
115734a4a26
1229a809525
13164767967
14b73b9221
157191770b
hex4860ffad

1214316461 has 4 divisors (see below), whose sum is σ = 1215354624. Its totient is φ = 1213278300.

The previous prime is 1214316457. The next prime is 1214316463. The reversal of 1214316461 is 1646134121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1646134121 = 8918495889.

It is a cyclic number.

It is not a de Polignac number, because 1214316461 - 22 = 1214316457 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 (1214316463) 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 3 ways as a sum of consecutive naturals, for example, 517325 + ... + 519666.

It is an arithmetic number, because the mean of its divisors is an integer number (303838656).

Almost surely, 21214316461 is an apocalyptic number.

It is an amenable number.

1214316461 is a deficient number, since it is larger than the sum of its proper divisors (1038163).

1214316461 is a wasteful number, since it uses less digits than its factorization.

1214316461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038162.

The product of its digits is 3456, while the sum is 29.

The square root of 1214316461 is about 34847.0437914036. The cubic root of 1214316461 is about 1066.8678488477.

The spelling of 1214316461 in words is "one billion, two hundred fourteen million, three hundred sixteen thousand, four hundred sixty-one".

Divisors: 1 1171 1036991 1214316461