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230122021120 = 285179782829
BaseRepresentation
bin1101011001010001010…
…1110110000100000000
3210222222121011220101021
43112110111312010000
512232242214133440
6253414441315224
722424431622365
oct3262425660400
9728877156337
10230122021120
1189659977532
1238723495b14
1318914a68104
14b1d081046c
155ebcb5284a
hex3594576100

230122021120 has 36 divisors (see below), whose sum is σ = 551214156780. Its totient is φ = 92048807936.

The previous prime is 230122021111. The next prime is 230122021121. The reversal of 230122021120 is 21120221032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 179938852864 + 50183168256 = 424192^2 + 224016^2 .

It is a super-2 number, since 2×2301220211202 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 230122021094 and 230122021103.

It is not an unprimeable number, because it can be changed into a prime (230122021121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89890135 + ... + 89892694.

It is an arithmetic number, because the mean of its divisors is an integer number (15311504355).

Almost surely, 2230122021120 is an apocalyptic number.

230122021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230122021120 is an abundant number, since it is smaller than the sum of its proper divisors (321092135660).

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

230122021120 is an equidigital number, since it uses as much as digits as its factorization.

230122021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179782850 (or 179782836 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 230122021120 its reverse (21120221032), we get a palindrome (251242242152).

The spelling of 230122021120 in words is "two hundred thirty billion, one hundred twenty-two million, twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 179782829 359565658 719131316 898914145 1438262632 1797828290 2876525264 3595656580 5753050528 7191313160 11506101056 14382626320 23012202112 28765252640 46024404224 57530505280 115061010560 230122021120