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45107517061369 = 724325324212
BaseRepresentation
bin10100100000110011010011…
…00001111111100011111001
312220201020101102100202121201
422100121221201333203321
521403020143331430434
6235534035100334201
712333624215540200
oct1220315141774371
9186636342322551
1045107517061369
1113410a99481144
125086180244361
131c2280b621169
14b1d303396237
1553353b57a614
hex29066987f8f9

45107517061369 has 81 divisors (see below), whose sum is σ = 54883753984269. Its totient is φ = 36963887163840.

The previous prime is 45107517061363. The next prime is 45107517061421. The reversal of 45107517061369 is 96316071570154.

It is a happy number.

The square root of 45107517061369 is 6716213.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 9903325772025 + 35204191289344 = 3146955^2 + 5933312^2 .

It is not a de Polignac number, because 45107517061369 - 213 = 45107517053177 is a prime.

It is a super-2 number, since 2×451075170613692 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45107517061363) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 107143745779 + ... + 107143746199.

Almost surely, 245107517061369 is an apocalyptic number.

45107517061369 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

45107517061369 is the 6716213-rd square number.

45107517061369 is the 3358107-th centered octagonal number.

It is an amenable number.

45107517061369 is a deficient number, since it is larger than the sum of its proper divisors (9776236922900).

45107517061369 is an frugal number, since it uses more digits than its factorization.

45107517061369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 55.

The spelling of 45107517061369 in words is "forty-five trillion, one hundred seven billion, five hundred seventeen million, sixty-one thousand, three hundred sixty-nine".

Divisors: 1 7 43 49 53 301 371 421 1849 2107 2279 2597 2809 2947 12943 15953 18103 19663 20629 22313 90601 97997 111671 120787 126721 137641 156191 177241 685979 778429 845509 887047 959459 1093337 1182589 1240687 4801853 5193841 5449003 5918563 6716213 7621363 8278123 8684809 9393773 36356887 38143021 41256737 47013491 50851327 53349541 57946861 65756411 254498209 288797159 327718609 355959289 373446787 403932239 460294877 497869969 2021580113 2186607061 2294030263 2491715023 2827525673 3485089783 15306249427 16058211841 17369086277 19792679711 21408408667 24395628481 107143745989 121583603939 149858860669 851085227573 920561572681 1049012024683 6443931008767 45107517061369