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231427523454 = 23269143387561
BaseRepresentation
bin1101011110001000100…
…1111100001101111110
3211010100120201021220120
43113202021330031332
512242430421222304
6254152154555410
722501663330551
oct3274211741576
9733316637816
10231427523454
118a169892786
1238a28738b66
1318a9237b6ba
14b2b5d64698
15604757d0d9
hex35e227c37e

231427523454 has 16 divisors (see below), whose sum is σ = 464575700880. Its totient is φ = 76855732160.

The previous prime is 231427523419. The next prime is 231427523477. The reversal of 231427523454 is 454325724132.

It is a super-2 number, since 2×2314275234542 (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 7 ways as a sum of consecutive naturals, for example, 71692167 + ... + 71695394.

It is an arithmetic number, because the mean of its divisors is an integer number (29035981305).

Almost surely, 2231427523454 is an apocalyptic number.

231427523454 is an abundant number, since it is smaller than the sum of its proper divisors (233148177426).

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

231427523454 is a wasteful number, since it uses less digits than its factorization.

231427523454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143387835.

The product of its digits is 806400, while the sum is 42.

The spelling of 231427523454 in words is "two hundred thirty-one billion, four hundred twenty-seven million, five hundred twenty-three thousand, four hundred fifty-four".

Divisors: 1 2 3 6 269 538 807 1614 143387561 286775122 430162683 860325366 38571253909 77142507818 115713761727 231427523454