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3135132420240 = 243526894857959
BaseRepresentation
bin101101100111110100011…
…101000100100010010000
3102002201022202202111001110
4231213310131010202100
5402331222344421430
610400132052133320
7442335334606542
oct55476435044220
912081282674043
103135132420240
11aa9669578127
12427739607240
13199845b18592
14aba53c93692
1556842e697b0
hex2d9f4744890

3135132420240 has 80 divisors (see below), whose sum is σ = 9722526825600. Its totient is φ = 835724230656.

The previous prime is 3135132420191. The next prime is 3135132420247. The reversal of 3135132420240 is 420242315313.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3135132420198 and 3135132420207.

It is not an unprimeable number, because it can be changed into a prime (3135132420247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783620 + ... + 3074339.

It is an arithmetic number, because the mean of its divisors is an integer number (121531585320).

Almost surely, 23135132420240 is an apocalyptic number.

3135132420240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3135132420240 is an abundant number, since it is smaller than the sum of its proper divisors (6587394405360).

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

3135132420240 is a wasteful number, since it uses less digits than its factorization.

3135132420240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860664 (or 4860658 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 3135132420240 its reverse (420242315313), we get a palindrome (3555374735553).

The spelling of 3135132420240 in words is "three trillion, one hundred thirty-five billion, one hundred thirty-two million, four hundred twenty thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 2689 5378 8067 10756 13445 16134 21512 26890 32268 40335 43024 53780 64536 80670 107560 129072 161340 215120 322680 645360 4857959 9715918 14573877 19431836 24289795 29147754 38863672 48579590 58295508 72869385 77727344 97159180 116591016 145738770 194318360 233182032 291477540 388636720 582955080 1165910160 13063051751 26126103502 39189155253 52252207004 65315258755 78378310506 104504414008 130630517510 156756621012 195945776265 209008828016 261261035020 313513242024 391891552530 522522070040 627026484048 783783105060 1045044140080 1567566210120 3135132420240