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243231146203672 = 231115199181853431
BaseRepresentation
bin110111010011011110101010…
…000100010101101000011000
31011220012200002210012010001101
4313103132222010111220120
5223340044341412004142
62221150502422401144
7102142604356061104
oct6723365204255030
91156180083163041
10243231146203672
1170556828011090
12233439aa8901b4
13a5947a2377903
14440c64384a904
151d1c00100e0b7
hexdd37aa115a18

243231146203672 has 32 divisors (see below), whose sum is σ = 497550989952000. Its totient is φ = 110552337165600.

The previous prime is 243231146203637. The next prime is 243231146203723. The reversal of 243231146203672 is 276302641132342.

It is a super-2 number, since 2×2432311462036722 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89589204 + ... + 92264227.

It is an arithmetic number, because the mean of its divisors is an integer number (15548468436000).

Almost surely, 2243231146203672 is an apocalyptic number.

243231146203672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243231146203672 is an abundant number, since it is smaller than the sum of its proper divisors (254319843748328).

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

243231146203672 is a wasteful number, since it uses less digits than its factorization.

243231146203672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181868647 (or 181868643 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 46.

The spelling of 243231146203672 in words is "two hundred forty-three trillion, two hundred thirty-one billion, one hundred forty-six million, two hundred three thousand, six hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 15199 30398 60796 121592 167189 334378 668756 1337512 181853431 363706862 727413724 1454827448 2000387741 4000775482 8001550964 16003101928 2763990297769 5527980595538 11055961191076 22111922382152 30403893275459 60807786550918 121615573101836 243231146203672