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1351680045 = 35197364969
BaseRepresentation
bin101000010010001…
…0000000000101101
310111012102110102220
41100210100000231
510232012230140
6342043105553
745332043102
oct12044200055
93435373386
101351680045
11633a96251
123188122b9
13187060ca1
14cb734aa9
157d9ecbd0
hex5091002d

1351680045 has 32 divisors (see below), whose sum is σ = 2307734400. Its totient is φ = 673588224.

The previous prime is 1351679993. The next prime is 1351680061. The reversal of 1351680045 is 5400861531.

It is not a de Polignac number, because 1351680045 - 26 = 1351679981 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1351679988 and 1351680015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11680 + ... + 53289.

It is an arithmetic number, because the mean of its divisors is an integer number (72116700).

Almost surely, 21351680045 is an apocalyptic number.

1351680045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351680045 is a deficient number, since it is larger than the sum of its proper divisors (956054355).

1351680045 is a wasteful number, since it uses less digits than its factorization.

1351680045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65069.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1351680045 is about 36765.2015498351. The cubic root of 1351680045 is about 1105.6677290717.

The spelling of 1351680045 in words is "one billion, three hundred fifty-one million, six hundred eighty thousand, forty-five".

Divisors: 1 3 5 15 19 57 73 95 219 285 365 1095 1387 4161 6935 20805 64969 194907 324845 974535 1234411 3703233 4742737 6172055 14228211 18516165 23713685 71141055 90112003 270336009 450560015 1351680045