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231424664280 = 23355323362303
BaseRepresentation
bin1101011110000111111…
…1000010001011011000
3211010100101100000212020
43113201333002023120
512242424203224110
6254152013414440
722501630122015
oct3274177021330
9733311300766
10231424664280
118a16820a627
1238a2779a420
1318a918ba194
14b2b581c70c
1560471b5d70
hex35e1fc22d8

231424664280 has 64 divisors (see below), whose sum is σ = 694406338560. Its totient is φ = 61701479808.

The previous prime is 231424664279. The next prime is 231424664297. The reversal of 231424664280 is 82466424132.

It is a super-2 number, since 2×2314246642802 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457609 + ... + 819911.

It is an arithmetic number, because the mean of its divisors is an integer number (10850099040).

Almost surely, 2231424664280 is an apocalyptic number.

231424664280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231424664280 is an abundant number, since it is smaller than the sum of its proper divisors (462981674280).

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

231424664280 is a wasteful number, since it uses less digits than its factorization.

231424664280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367640 (or 367636 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 231424664280 in words is "two hundred thirty-one billion, four hundred twenty-four million, six hundred sixty-four thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 5323 10646 15969 21292 26615 31938 42584 53230 63876 79845 106460 127752 159690 212920 319380 362303 638760 724606 1086909 1449212 1811515 2173818 2898424 3623030 4347636 5434545 7246060 8695272 10869090 14492120 21738180 43476360 1928538869 3857077738 5785616607 7714155476 9642694345 11571233214 15428310952 19285388690 23142466428 28928083035 38570777380 46284932856 57856166070 77141554760 115712332140 231424664280