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145055602530 = 23253743560241
BaseRepresentation
bin1000011100010111111…
…1001101011101100010
3111212102011201002122100
42013011333031131202
54334033213240110
6150345420551230
713323420164166
oct2070577153542
9455364632570
10145055602530
1156577119153
12241429b2516
13108a90bb097
147040c44ca6
153b8e9acbc0
hex21c5fcd762

145055602530 has 48 divisors (see below), whose sum is σ = 387337671864. Its totient is φ = 37636047360.

The previous prime is 145055602519. The next prime is 145055602537. The reversal of 145055602530 is 35206550541.

145055602530 is a `hidden beast` number, since 1 + 4 + 50 + 556 + 0 + 2 + 53 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 137699624241 + 7355978289 = 371079^2 + 85767^2 .

It is a super-2 number, since 2×1450556025302 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145055602537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21776791 + ... + 21783450.

Almost surely, 2145055602530 is an apocalyptic number.

145055602530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145055602530 is an abundant number, since it is smaller than the sum of its proper divisors (242282069334).

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

145055602530 is a wasteful number, since it uses less digits than its factorization.

145055602530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43560291 (or 43560288 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 145055602530 in words is "one hundred forty-five billion, fifty-five million, six hundred two thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 37 45 74 90 111 185 222 333 370 555 666 1110 1665 3330 43560241 87120482 130680723 217801205 261361446 392042169 435602410 653403615 784084338 1306807230 1611728917 1960210845 3223457834 3920421690 4835186751 8058644585 9670373502 14505560253 16117289170 24175933755 29011120506 48351867510 72527801265 145055602530