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231022000122 = 231943331142381
BaseRepresentation
bin1101011100100111111…
…0111111011111111010
3211002022022122120110220
43113021332333133322
512241113113000442
6254044031120510
722455640413024
oct3271176773772
9732268576426
10231022000122
1189a80995031
1238934973136
1318a29355074
14b278163014
156021b77eec
hex35c9fbf7fa

231022000122 has 64 divisors (see below), whose sum is σ = 499179901440. Its totient is φ = 71041924800.

The previous prime is 231022000061. The next prime is 231022000163. The reversal of 231022000122 is 221000220132.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1551372 + ... + 1693752.

It is an arithmetic number, because the mean of its divisors is an integer number (7799685960).

Almost surely, 2231022000122 is an apocalyptic number.

231022000122 is an abundant number, since it is smaller than the sum of its proper divisors (268157901318).

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

231022000122 is a wasteful number, since it uses less digits than its factorization.

231022000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142779.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 231022000122 its reverse (221000220132), we get a palindrome (452022220254).

The spelling of 231022000122 in words is "two hundred thirty-one billion, twenty-two million, one hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 19 38 43 57 86 114 129 258 331 662 817 993 1634 1986 2451 4902 6289 12578 14233 18867 28466 37734 42699 85398 142381 270427 284762 427143 540854 811281 854286 1622562 2705239 5410478 6122383 8115717 12244766 16231434 18367149 36734298 47128111 94256222 116325277 141384333 232650554 282768666 348975831 697951662 895434109 1790868218 2026508773 2686302327 4053017546 5372604654 6079526319 12159052638 38503666687 77007333374 115511000061 231022000122