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1513643140 = 225331228647
BaseRepresentation
bin101101000111000…
…0101110010000100
310220111012001001001
41122032011302010
511044443040030
6410110343044
752336516522
oct13216056204
93814161031
101513643140
11707459549
12362abaa84
131b178b139
14105055312
158cd41cca
hex5a385c84

1513643140 has 24 divisors (see below), whose sum is σ = 3188267712. Its totient is φ = 603625440.

The previous prime is 1513643137. The next prime is 1513643143. The reversal of 1513643140 is 413463151.

It is an interprime number because it is at equal distance from previous prime (1513643137) and next prime (1513643143).

It is a super-2 number, since 2×15136431402 = 4582231110538119200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1513643099 and 1513643108.

It is not an unprimeable number, because it can be changed into a prime (1513643143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107704 + ... + 120943.

It is an arithmetic number, because the mean of its divisors is an integer number (132844488).

Almost surely, 21513643140 is an apocalyptic number.

1513643140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1513643140 is an abundant number, since it is smaller than the sum of its proper divisors (1674624572).

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

1513643140 is a wasteful number, since it uses less digits than its factorization.

1513643140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228987 (or 228985 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1513643140 is about 38905.5669538435. The cubic root of 1513643140 is about 1148.1743281581.

The spelling of 1513643140 in words is "one billion, five hundred thirteen million, six hundred forty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 331 662 1324 1655 3310 6620 228647 457294 914588 1143235 2286470 4572940 75682157 151364314 302728628 378410785 756821570 1513643140