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231404545030 = 25292573104851
BaseRepresentation
bin1101011110000011001…
…0010010010000000110
3211010021222110212102211
43113200302102100012
512242404030420110
6254150014254034
722501264115221
oct3274062222006
9733258425384
10231404545030
118a15791874a
1238a20ab731a
1318a8a6946b9
14b2b2ca25b8
15604553e98a
hex35e0c92406

231404545030 has 32 divisors (see below), whose sum is σ = 432567980640. Its totient is φ = 89022259200.

The previous prime is 231404545019. The next prime is 231404545051. The reversal of 231404545030 is 30545404132.

It is a junction number, because it is equal to n+sod(n) for n = 231404544983 and 231404545001.

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, 1477896 + ... + 1626955.

It is an arithmetic number, because the mean of its divisors is an integer number (13517749395).

Almost surely, 2231404545030 is an apocalyptic number.

231404545030 is a deficient number, since it is larger than the sum of its proper divisors (201163435610).

231404545030 is a wasteful number, since it uses less digits than its factorization.

231404545030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105144.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 231404545030 its reverse (30545404132), we get a palindrome (261949949162).

The spelling of 231404545030 in words is "two hundred thirty-one billion, four hundred four million, five hundred forty-five thousand, thirty".

Divisors: 1 2 5 10 29 58 145 257 290 514 1285 2570 7453 14906 37265 74530 3104851 6209702 15524255 31048510 90040679 180081358 450203395 797946707 900406790 1595893414 3989733535 7979467070 23140454503 46280909006 115702272515 231404545030