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1244055012 = 2231031795623
BaseRepresentation
bin100101000100110…
…1100010111100100
310012200220112122120
41022021230113210
510021434230022
6323240225540
742554202354
oct11211542744
93180815576
101244055012
11589266a42
122a876b2b0
1316a97a935
14bb31ab64
157433dd5c
hex4a26c5e4

1244055012 has 48 divisors (see below), whose sum is σ = 2947875840. Its totient is φ = 408292128.

The previous prime is 1244054983. The next prime is 1244055013. The reversal of 1244055012 is 2105504421.

It is a super-3 number, since 3×12440550123 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1244055013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218433 + ... + 224055.

It is an arithmetic number, because the mean of its divisors is an integer number (61414080).

Almost surely, 21244055012 is an apocalyptic number.

1244055012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244055012 is an abundant number, since it is smaller than the sum of its proper divisors (1703820828).

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

1244055012 is a wasteful number, since it uses less digits than its factorization.

1244055012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5912 (or 5910 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1244055012 is about 35271.1640295582. The cubic root of 1244055012 is about 1075.5068853828.

Adding to 1244055012 its reverse (2105504421), we get a palindrome (3349559433).

The spelling of 1244055012 in words is "one billion, two hundred forty-four million, fifty-five thousand, twelve".

Divisors: 1 2 3 4 6 12 103 179 206 309 358 412 537 618 716 1074 1236 2148 5623 11246 16869 18437 22492 33738 36874 55311 67476 73748 110622 221244 579169 1006517 1158338 1737507 2013034 2316676 3019551 3475014 4026068 6039102 6950028 12078204 103671251 207342502 311013753 414685004 622027506 1244055012