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1293128014 = 24737092
BaseRepresentation
bin100110100010011…
…1001000101001110
310100010020201011011
41031010321011032
510122020044024
6332152115434
744021256343
oct11504710516
93303221134
101293128014
11603a34242
12301095b7a
13177ba0109
14c3a527ca
15787d4094
hex4d13914e

1293128014 has 12 divisors (see below), whose sum is σ = 1981496304. Its totient is φ = 632636712.

The previous prime is 1293127937. The next prime is 1293128027. The reversal of 1293128014 is 4108213921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 346792 + ... + 350500.

It is an arithmetic number, because the mean of its divisors is an integer number (165124692).

Almost surely, 21293128014 is an apocalyptic number.

1293128014 is a deficient number, since it is larger than the sum of its proper divisors (688368290).

1293128014 is an frugal number, since it uses more digits than its factorization.

1293128014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7467 (or 3758 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1293128014 is about 35960.0891823143. The cubic root of 1293128014 is about 1089.4663981937.

The spelling of 1293128014 in words is "one billion, two hundred ninety-three million, one hundred twenty-eight thousand, fourteen".

Divisors: 1 2 47 94 3709 7418 174323 348646 13756681 27513362 646564007 1293128014