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5181414660 = 22325163176599
BaseRepresentation
bin1001101001101011…
…00001110100000100
3111101002202010200200
410310311201310010
541102420232120
62214051410500
7242254204122
oct46465416404
914332663620
105181414660
112219856584
1210072b3a30
13647609646
14372206912
15204d3de90
hex134d61d04

5181414660 has 72 divisors (see below), whose sum is σ = 15813470400. Its totient is φ = 1373226048.

The previous prime is 5181414643. The next prime is 5181414661. The reversal of 5181414660 is 664141815.

5181414660 is a `hidden beast` number, since 5 + 181 + 414 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5181414661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58960 + ... + 117639.

Almost surely, 25181414660 is an apocalyptic number.

It is an amenable number.

5181414660 is an abundant number, since it is smaller than the sum of its proper divisors (10632055740).

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

5181414660 is a wasteful number, since it uses less digits than its factorization.

5181414660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176777 (or 176772 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 5181414660 is about 71982.0440109893. The cubic root of 5181414660 is about 1730.4117277694.

The spelling of 5181414660 in words is "five billion, one hundred eighty-one million, four hundred fourteen thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 163 180 326 489 652 815 978 1467 1630 1956 2445 2934 3260 4890 5868 7335 9780 14670 29340 176599 353198 529797 706396 882995 1059594 1589391 1765990 2119188 2648985 3178782 3531980 5297970 6357564 7946955 10595940 15893910 28785637 31787820 57571274 86356911 115142548 143928185 172713822 259070733 287856370 345427644 431784555 518141466 575712740 863569110 1036282932 1295353665 1727138220 2590707330 5181414660