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4897142145 = 345717101611
BaseRepresentation
bin1001000111110010…
…00111010110000001
3110122021211121010000
410203321013112001
540012132022040
62125534430213
7232233010230
oct44371072601
913567747100
104897142145
112093344415
12b48062369
1360075735c
14346568b17
151d9dda130
hex123e47581

4897142145 has 80 divisors (see below), whose sum is σ = 10622924928. Its totient is φ = 2106984960.

The previous prime is 4897142119. The next prime is 4897142189. The reversal of 4897142145 is 5412417984.

It is not a de Polignac number, because 4897142145 - 25 = 4897142113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4897142145.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2611 + ... + 99000.

Almost surely, 24897142145 is an apocalyptic number.

4897142145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4897142145 is an abundant number, since it is smaller than the sum of its proper divisors (5725782783).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4897142145 is a wasteful number, since it uses less digits than its factorization.

4897142145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101652 (or 101643 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 4897142145 is about 69979.5837726976. The cubic root of 4897142145 is about 1698.1689795497.

The spelling of 4897142145 in words is "four billion, eight hundred ninety-seven million, one hundred forty-two thousand, one hundred forty-five".

Divisors: 1 3 5 7 9 15 17 21 27 35 45 51 63 81 85 105 119 135 153 189 255 315 357 405 459 567 595 765 945 1071 1377 1785 2295 2835 3213 5355 6885 9639 16065 48195 101611 304833 508055 711277 914499 1524165 1727387 2133831 2743497 3556385 4572495 5182161 6401493 8230491 8636935 10669155 12091709 13717485 15546483 19204479 25910805 32007465 36275127 41152455 46639449 57613437 60458545 77732415 96022395 108825381 139918347 181375635 233197245 288067185 326476143 544126905 699591735 979428429 1632380715 4897142145