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1269405068 = 22487765071
BaseRepresentation
bin100101110101001…
…1001010110001100
310021110121110101112
41023222121112030
510044431430233
6325543431152
743312523261
oct11352312614
93243543345
101269405068
115a16008a8
122b51554b8
13172cb5279
14c0839268
157669a048
hex4ba9958c

1269405068 has 12 divisors (see below), whose sum is σ = 2221948512. Its totient is φ = 634562640.

The previous prime is 1269405047. The next prime is 1269405073. The reversal of 1269405068 is 8605049621.

It is a happy number.

It is a super-2 number, since 2×12694050682 = 3222778453328169248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13028 + ... + 52043.

It is an arithmetic number, because the mean of its divisors is an integer number (185162376).

Almost surely, 21269405068 is an apocalyptic number.

It is an amenable number.

1269405068 is a deficient number, since it is larger than the sum of its proper divisors (952543444).

1269405068 is a wasteful number, since it uses less digits than its factorization.

1269405068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69952 (or 69950 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 1269405068 is about 35628.7112873873. The cubic root of 1269405068 is about 1082.7630064255.

The spelling of 1269405068 in words is "one billion, two hundred sixty-nine million, four hundred five thousand, sixty-eight".

Divisors: 1 2 4 4877 9754 19508 65071 130142 260284 317351267 634702534 1269405068