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1218714045 = 35144756149
BaseRepresentation
bin100100010100100…
…0001100110111101
310010221020002101020
41020221001212331
54443442322140
6320533134353
742125620113
oct11051014675
93127202336
101218714045
11575a2899a
122a018a3b9
13165647493
14b7c01ab3
1571ed56d0
hex48a419bd

1218714045 has 16 divisors (see below), whose sum is σ = 1951324800. Its totient is φ = 649520064.

The previous prime is 1218714023. The next prime is 1218714073. The reversal of 1218714045 is 5404178121.

It is not a de Polignac number, because 1218714045 - 221 = 1216616893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1218713997 and 1218714015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6370 + ... + 49779.

It is an arithmetic number, because the mean of its divisors is an integer number (121957800).

Almost surely, 21218714045 is an apocalyptic number.

1218714045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1218714045 is a deficient number, since it is larger than the sum of its proper divisors (732610755).

1218714045 is a wasteful number, since it uses less digits than its factorization.

1218714045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57604.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 1218714045 is about 34910.0851474184. The cubic root of 1218714045 is about 1068.1541661541.

The spelling of 1218714045 in words is "one billion, two hundred eighteen million, seven hundred fourteen thousand, forty-five".

Divisors: 1 3 5 15 1447 4341 7235 21705 56149 168447 280745 842235 81247603 243742809 406238015 1218714045