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231404410122 = 232967130715187
BaseRepresentation
bin1101011110000011000…
…1110001010100001010
3211010021222020000101020
43113200301301110022
512242404012110442
6254150011333310
722501263014004
oct3274061612412
9733258200336
10231404410122
118a157836356
1238a20a51236
1318a8a648182
14b2b2c69374
1560455149ec
hex35e0c7150a

231404410122 has 64 divisors (see below), whose sum is σ = 486317329920. Its totient is φ = 73302457536.

The previous prime is 231404410117. The next prime is 231404410141. The reversal of 231404410122 is 221014404132.

It is a junction number, because it is equal to n+sod(n) for n = 231404410092 and 231404410101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15229413 + ... + 15244599.

It is an arithmetic number, because the mean of its divisors is an integer number (7598708280).

Almost surely, 2231404410122 is an apocalyptic number.

231404410122 is an abundant number, since it is smaller than the sum of its proper divisors (254912919798).

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

231404410122 is a wasteful number, since it uses less digits than its factorization.

231404410122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16595.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 231404410122 its reverse (221014404132), we get a palindrome (452418814254).

The spelling of 231404410122 in words is "two hundred thirty-one billion, four hundred four million, four hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 3 6 29 58 67 87 134 174 201 402 1307 1943 2614 3886 3921 5829 7842 11658 15187 30374 37903 45561 75806 87569 91122 113709 175138 227418 262707 440423 525414 880846 1017529 1321269 2035058 2539501 2642538 3052587 5079002 6105174 7618503 15237006 19849409 29508341 39698818 59016682 59548227 88525023 119096454 177050046 575632861 1151265722 1329910403 1726898583 2659820806 3453797166 3989731209 7979462418 38567401687 77134803374 115702205061 231404410122