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132665802320 = 2452789359453
BaseRepresentation
bin111101110001101111…
…1110111111001010000
3110200102201010000221002
41323203133313321100
54133144421133240
6140540144321132
712404403466532
oct1734337677120
9420381100832
10132665802320
1151299428947
12218656131a8
13c68327675c
1465c7559852
1536b6de0d15
hex1ee37f7e50

132665802320 has 40 divisors (see below), whose sum is σ = 308464236936. Its totient is φ = 53063525888.

The previous prime is 132665802319. The next prime is 132665802329. The reversal of 132665802320 is 23208566231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 78294755344 + 54371046976 = 279812^2 + 233176^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132665802329) 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, 2201714 + ... + 2261166.

Almost surely, 2132665802320 is an apocalyptic number.

132665802320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132665802320 is an abundant number, since it is smaller than the sum of its proper divisors (175798434616).

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

132665802320 is a wasteful number, since it uses less digits than its factorization.

132665802320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87359 (or 87353 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 132665802320 in words is "one hundred thirty-two billion, six hundred sixty-five million, eight hundred two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 27893 55786 59453 111572 118906 139465 223144 237812 278930 297265 446288 475624 557860 594530 951248 1115720 1189060 2231440 2378120 4756240 1658322529 3316645058 6633290116 8291612645 13266580232 16583225290 26533160464 33166450580 66332901160 132665802320