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12124144245 = 3519711913137
BaseRepresentation
bin10110100101010011…
…11100001001110101
31011021221201100020110
423102221330021311
5144312240103440
65323022253233
7606306345213
oct132251741165
934257640213
1012124144245
115161844024
122424427219
1311b2aacb65
148302d5cb3
154ae5e4080
hex2d2a7c275

12124144245 has 64 divisors (see below), whose sum is σ = 20822261760. Its totient is φ = 6006067200.

The previous prime is 12124144199. The next prime is 12124144273. The reversal of 12124144245 is 54244142121.

It is not a de Polignac number, because 12124144245 - 224 = 12107367029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3863317 + ... + 3866453.

It is an arithmetic number, because the mean of its divisors is an integer number (325347840).

Almost surely, 212124144245 is an apocalyptic number.

12124144245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12124144245 is a deficient number, since it is larger than the sum of its proper divisors (8698117515).

12124144245 is a wasteful number, since it uses less digits than its factorization.

12124144245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426.

The product of its digits is 10240, while the sum is 30.

Adding to 12124144245 its reverse (54244142121), we get a palindrome (66368286366).

The spelling of 12124144245 in words is "twelve billion, one hundred twenty-four million, one hundred forty-four thousand, two hundred forty-five".

Divisors: 1 3 5 15 19 57 71 95 191 213 285 355 573 955 1065 1349 2865 3137 3629 4047 6745 9411 10887 13561 15685 18145 20235 40683 47055 54435 59603 67805 178809 203415 222727 257659 298015 599167 668181 772977 894045 1113635 1288295 1797501 2995835 3340905 3864885 4231813 8987505 11384173 12695439 21159065 34152519 42540857 56920865 63477195 127622571 170762595 212704285 638112855 808276283 2424828849 4041381415 12124144245