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2135715520 = 26519351269
BaseRepresentation
bin111111101001100…
…0110111011000000
312111211201120220211
41333103012323000
513333220344040
6551531443504
7103632165601
oct17723067300
95454646824
102135715520
119a6612754
124b72b6594
132806144c3
14163905da8
15c776e8ea
hex7f4c6ec0

2135715520 has 56 divisors (see below), whose sum is σ = 5353354800. Its totient is φ = 809321472.

The previous prime is 2135715497. The next prime is 2135715523. The reversal of 2135715520 is 255175312.

It is a super-2 number, since 2×21357155202 = 9122561564737740800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2135715523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169555 + ... + 181714.

Almost surely, 22135715520 is an apocalyptic number.

2135715520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2135715520 is an abundant number, since it is smaller than the sum of its proper divisors (3217639280).

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

2135715520 is a wasteful number, since it uses less digits than its factorization.

2135715520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351305 (or 351295 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 2135715520 is about 46213.8022672881. The cubic root of 2135715520 is about 1287.7981628867.

The spelling of 2135715520 in words is "two billion, one hundred thirty-five million, seven hundred fifteen thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 152 160 190 304 320 380 608 760 1216 1520 3040 6080 351269 702538 1405076 1756345 2810152 3512690 5620304 6674111 7025380 11240608 13348222 14050760 22481216 26696444 28101520 33370555 53392888 56203040 66741110 106785776 112406080 133482220 213571552 266964440 427143104 533928880 1067857760 2135715520