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2147612480 = 26513516253
BaseRepresentation
bin1000000000000001…
…1111011101000000
312112200010000110222
42000000133131000
513344242044410
6553034442212
7104135255606
oct20000373500
95480100428
102147612480
11a022a9052
124bb293368
13282c1b620
14165321876
15c881e955
hex8001f740

2147612480 has 56 divisors (see below), whose sum is σ = 5507397672. Its totient is φ = 792963072.

The previous prime is 2147612479. The next prime is 2147612483. The reversal of 2147612480 is 842167412.

It can be written as a sum of positive squares in 4 ways, for example, as 460703296 + 1686909184 = 21464^2 + 41072^2 .

It is a super-2 number, since 2×21476124802 = 9224478728503500800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2147612480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147612483) 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, 253967 + ... + 262286.

It is an arithmetic number, because the mean of its divisors is an integer number (98346387).

Almost surely, 22147612480 is an apocalyptic number.

2147612480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2147612480 is an abundant number, since it is smaller than the sum of its proper divisors (3359785192).

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

2147612480 is a wasteful number, since it uses less digits than its factorization.

2147612480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516283 (or 516273 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 2147612480 is about 46342.3400358678. The cubic root of 2147612480 is about 1290.1849543514.

Adding to 2147612480 its reverse (842167412), we get a palindrome (2989779892).

The spelling of 2147612480 in words is "two billion, one hundred forty-seven million, six hundred twelve thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 130 160 208 260 320 416 520 832 1040 2080 4160 516253 1032506 2065012 2581265 4130024 5162530 6711289 8260048 10325060 13422578 16520096 20650120 26845156 33040192 33556445 41300240 53690312 67112890 82600480 107380624 134225780 165200960 214761248 268451560 429522496 536903120 1073806240 2147612480