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1315921152 = 28371319991
BaseRepresentation
bin100111001101111…
…0101110100000000
310101201010201110110
41032123311310000
510143333434102
6334324431320
744416100550
oct11633656400
93351121413
101315921152
11615892047
12308848540
1317c820990
14c6aa7160
157a7d786c
hex4e6f5d00

1315921152 has 288 divisors, whose sum is σ = 4541931520. Its totient is φ = 328458240.

The previous prime is 1315921151. The next prime is 1315921237. The reversal of 1315921152 is 2511295131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315921151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1327377 + ... + 1328367.

Almost surely, 21315921152 is an apocalyptic number.

1315921152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315921152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2270965760).

1315921152 is an abundant number, since it is smaller than the sum of its proper divisors (3226010368).

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

1315921152 is a wasteful number, since it uses less digits than its factorization.

1315921152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1035 counting only the distinct ones).

The product of its digits is 2700, while the sum is 30.

The square root of 1315921152 is about 36275.6275204165. The cubic root of 1315921152 is about 1095.8302612446.

The spelling of 1315921152 in words is "one billion, three hundred fifteen million, nine hundred twenty-one thousand, one hundred fifty-two".