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1310260080 = 24355459417
BaseRepresentation
bin100111000011000…
…1111101101110000
310101022111002221010
41032012033231300
510140411310310
6334003230520
744320012143
oct11606175560
93338432833
101310260080
11612675878
12306978440
1317b5bb02c
14c603205a
157a06a320
hex4e18fb70

1310260080 has 40 divisors (see below), whose sum is σ = 4061806992. Its totient is φ = 349402624.

The previous prime is 1310260079. The next prime is 1310260087. The reversal of 1310260080 is 800620131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310260087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2729469 + ... + 2729948.

Almost surely, 21310260080 is an apocalyptic number.

1310260080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310260080 is an abundant number, since it is smaller than the sum of its proper divisors (2751546912).

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

1310260080 is a wasteful number, since it uses less digits than its factorization.

1310260080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459433 (or 5459427 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1310260080 is about 36197.5148318224. The cubic root of 1310260080 is about 1094.2565876209.

The spelling of 1310260080 in words is "one billion, three hundred ten million, two hundred sixty thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 5459417 10918834 16378251 21837668 27297085 32756502 43675336 54594170 65513004 81891255 87350672 109188340 131026008 163782510 218376680 262052016 327565020 436753360 655130040 1310260080