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152980321280 = 210529878969
BaseRepresentation
bin1000111001111001010…
…1100111010000000000
3112121212110110112002012
42032132111213100000
510001300430240110
6154140031112052
714023665163403
oct2163625472000
9477773415065
10152980321280
1159973448696
1225794972628
131156cb63887
147593513d3a
153ea5587905
hex239e567400

152980321280 has 44 divisors (see below), whose sum is σ = 366973509540. Its totient is φ = 61192126464.

The previous prime is 152980321261. The next prime is 152980321331. The reversal of 152980321280 is 82123089251.

It can be written as a sum of positive squares in 2 ways, for example, as 63536260096 + 89444061184 = 252064^2 + 299072^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14934365 + ... + 14944604.

It is an arithmetic number, because the mean of its divisors is an integer number (8340307035).

Almost surely, 2152980321280 is an apocalyptic number.

152980321280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152980321280 is an abundant number, since it is smaller than the sum of its proper divisors (213993188260).

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

152980321280 is an equidigital number, since it uses as much as digits as its factorization.

152980321280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29878994 (or 29878976 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 152980321280 in words is "one hundred fifty-two billion, nine hundred eighty million, three hundred twenty-one thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2560 5120 29878969 59757938 119515876 149394845 239031752 298789690 478063504 597579380 956127008 1195158760 1912254016 2390317520 3824508032 4780635040 7649016064 9561270080 15298032128 19122540160 30596064256 38245080320 76490160640 152980321280