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43130234031240 = 23352052671750981
BaseRepresentation
bin10011100111010000010100…
…10001110100110010001000
312122201012200011111112220010
421303220022101310302020
521123121204402444430
6231421431143031520
712041025256231026
oct1163501221646210
9178635604445803
1043130234031240
111281947a787024
124a06b1813b5a0
131b0b2186102c5
14a9172b99b716
154ebdb2b01cb0
hex273a0a474c88

43130234031240 has 64 divisors (see below), whose sum is σ = 129391406343360. Its totient is φ = 11501333141760.

The previous prime is 43130234031103. The next prime is 43130234031259. The reversal of 43130234031240 is 4213043203134.

It is a happy number.

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 = 43130234031198 and 43130234031207.

It is an unprimeable number.

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, 23756550 + ... + 25507530.

It is an arithmetic number, because the mean of its divisors is an integer number (2021740724115).

Almost surely, 243130234031240 is an apocalyptic number.

43130234031240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43130234031240 is an abundant number, since it is smaller than the sum of its proper divisors (86261172312120).

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

43130234031240 is a wasteful number, since it uses less digits than its factorization.

43130234031240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956262 (or 1956258 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 43130234031240 its reverse (4213043203134), we get a palindrome (47343277234374).

The spelling of 43130234031240 in words is "forty-three trillion, one hundred thirty billion, two hundred thirty-four million, thirty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 205267 410534 615801 821068 1026335 1231602 1642136 1750981 2052670 2463204 3079005 3501962 4105340 4926408 5252943 6158010 7003924 8210680 8754905 10505886 12316020 14007848 17509810 21011772 24632040 26264715 35019620 42023544 52529430 70039240 105058860 210117720 359418616927 718837233854 1078255850781 1437674467708 1797093084635 2156511701562 2875348935416 3594186169270 4313023403124 5391279253905 7188372338540 8626046806248 10782558507810 14376744677080 21565117015620 43130234031240