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231427523450 = 25243327293917
BaseRepresentation
bin1101011110001000100…
…1111100001101111010
3211010100120201021220102
43113202021330031322
512242430421222300
6254152154555402
722501663330544
oct3274211741572
9733316637812
10231427523450
118a169892782
1238a28738b62
1318a9237b6b6
14b2b5d64694
15604757d0d5
hex35e227c37a

231427523450 has 48 divisors (see below), whose sum is σ = 431717602680. Its totient is φ = 92299806720.

The previous prime is 231427523419. The next prime is 231427523477. The reversal of 231427523450 is 54325724132.

It can be written as a sum of positive squares in 12 ways, for example, as 51793111561 + 179634411889 = 227581^2 + 423833^2 .

It is a super-2 number, since 2×2314275234502 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59080892 + ... + 59084808.

Almost surely, 2231427523450 is an apocalyptic number.

231427523450 is a deficient number, since it is larger than the sum of its proper divisors (200290079230).

231427523450 is a wasteful number, since it uses less digits than its factorization.

231427523450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7091 (or 7086 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 231427523450 in words is "two hundred thirty-one billion, four hundred twenty-seven million, five hundred twenty-three thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 433 866 2165 2729 3917 4330 5458 7834 10825 13645 19585 21650 27290 39170 68225 97925 136450 195850 1181657 1696061 2363314 3392122 5908285 8480305 10689493 11816570 16960610 21378986 29541425 42401525 53447465 59082850 84803050 106894930 267237325 534474650 4628550469 9257100938 23142752345 46285504690 115713761725 231427523450