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1269968304 = 243112405243
BaseRepresentation
bin100101110110010…
…0010110110110000
310021111200002000010
41023230202312300
510100102441204
6330003454520
743320360333
oct11354426660
93244602003
101269968304
115a1955a90
122b5387440
13173151747
14c094461a
157675bd89
hex4bb22db0

1269968304 has 40 divisors (see below), whose sum is σ = 3579003072. Its totient is φ = 384838720.

The previous prime is 1269968281. The next prime is 1269968311. The reversal of 1269968304 is 4038699621.

It is a super-2 number, since 2×12699683042 = 3225638986329272832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202094 + ... + 1203149.

Almost surely, 21269968304 is an apocalyptic number.

It is an amenable number.

1269968304 is an abundant number, since it is smaller than the sum of its proper divisors (2309034768).

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

1269968304 is a wasteful number, since it uses less digits than its factorization.

1269968304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405265 (or 2405259 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 1269968304 is about 35636.6146540324. The cubic root of 1269968304 is about 1082.9231236713.

It can be divided in two parts, 12699 and 68304, that added together give a triangular number (81003 = T402).

The spelling of 1269968304 in words is "one billion, two hundred sixty-nine million, nine hundred sixty-eight thousand, three hundred four".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 2405243 4810486 7215729 9620972 14431458 19241944 26457673 28862916 38483888 52915346 57725832 79373019 105830692 115451664 158746038 211661384 317492076 423322768 634984152 1269968304