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1215414313109 = 14928328823827
BaseRepresentation
bin10001101011111100010…
…101101010000010010101
311022012012022110100101222
4101223330111222002111
5124403132031004414
62330204214500125
7153545046126263
oct21537425520225
94265168410358
101215414313109
114294aa76a737
1217767b964645
138a7c7c17139
1442b7d79b433
152193808e68e
hex11afc56a095

1215414313109 has 8 divisors (see below), whose sum is σ = 1227895072800. Its totient is φ = 1202991201936.

The previous prime is 1215414313073. The next prime is 1215414313123. The reversal of 1215414313109 is 9013134145121.

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 1215414313109 - 216 = 1215414247573 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 (1215414313159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14369747 + ... + 14454080.

It is an arithmetic number, because the mean of its divisors is an integer number (153486884100).

Almost surely, 21215414313109 is an apocalyptic number.

It is an amenable number.

1215414313109 is a deficient number, since it is larger than the sum of its proper divisors (12480759691).

1215414313109 is a wasteful number, since it uses less digits than its factorization.

1215414313109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28824259.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 1215414313109 in words is "one trillion, two hundred fifteen billion, four hundred fourteen million, three hundred thirteen thousand, one hundred nine".

Divisors: 1 149 283 42167 28823827 4294750223 8157143041 1215414313109