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135304220221640 = 2353382605505541
BaseRepresentation
bin11110110000111011110111…
…111110111010000011001000
3122202001221211202010220200022
4132300323313332322003020
5120213311020334043030
61155433522313400012
740333256465531411
oct3660736776720310
9582057752126608
10135304220221640
113a126219a39a68
1213212a45709008
135a661968b4002
14255aa8b364808
15109988ebeede5
hex7b0ef7fba0c8

135304220221640 has 16 divisors (see below), whose sum is σ = 304434495498780. Its totient is φ = 54121688088640.

The previous prime is 135304220221609. The next prime is 135304220221649. The reversal of 135304220221640 is 46122022403531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125992677825316 + 9311542396324 = 11224646^2 + 3051482^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 135304220221640.

It is not an unprimeable number, because it can be changed into a prime (135304220221649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691302752731 + ... + 1691302752810.

Almost surely, 2135304220221640 is an apocalyptic number.

135304220221640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135304220221640 is an abundant number, since it is smaller than the sum of its proper divisors (169130275277140).

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

135304220221640 is a wasteful number, since it uses less digits than its factorization.

135304220221640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382605505552 (or 3382605505548 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 135304220221640 in words is "one hundred thirty-five trillion, three hundred four billion, two hundred twenty million, two hundred twenty-one thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 3382605505541 6765211011082 13530422022164 16913027527705 27060844044328 33826055055410 67652110110820 135304220221640