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1268714280 = 233511393563
BaseRepresentation
bin100101110011111…
…0000101100101000
310021102022100210210
41023213300230220
510044242324110
6325520541120
743303615311
oct11347605450
93242270723
101268714280
115a11798a9
122b4a817a0
13172b02a12
14c06d9608
15765b0520
hex4b9f0b28

1268714280 has 64 divisors (see below), whose sum is σ = 3839866560. Its totient is φ = 335326208.

The previous prime is 1268714263. The next prime is 1268714297. The reversal of 1268714280 is 824178621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1268714263) and next prime (1268714297).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33222 + ... + 60341.

It is an arithmetic number, because the mean of its divisors is an integer number (59997915).

Almost surely, 21268714280 is an apocalyptic number.

1268714280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1268714280 is an abundant number, since it is smaller than the sum of its proper divisors (2571152280).

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

1268714280 is a wasteful number, since it uses less digits than its factorization.

1268714280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93690 (or 93686 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 1268714280 is about 35619.0157079052. The cubic root of 1268714280 is about 1082.5665639011.

The spelling of 1268714280 in words is "one billion, two hundred sixty-eight million, seven hundred fourteen thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 113 120 226 339 452 565 678 904 1130 1356 1695 2260 2712 3390 4520 6780 13560 93563 187126 280689 374252 467815 561378 748504 935630 1122756 1403445 1871260 2245512 2806890 3742520 5613780 10572619 11227560 21145238 31717857 42290476 52863095 63435714 84580952 105726190 126871428 158589285 211452380 253742856 317178570 422904760 634357140 1268714280