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145045032500 = 225475917643
BaseRepresentation
bin1000011100010101011…
…0111000111000110100
3111212101102211002021202
42013011112320320310
54334023012020000
6150344402232032
713323231301604
oct2070526707064
9455342732252
10145045032500
1156571159795
122413b355618
13108a6b59c24
14703d692c04
153b8dac0dd5
hex21c55b8e34

145045032500 has 60 divisors (see below), whose sum is σ = 317267766816. Its totient is φ = 58002780000.

The previous prime is 145045032493. The next prime is 145045032553. The reversal of 145045032500 is 5230540541.

It is a super-2 number, since 2×1450450325002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18973679 + ... + 18981321.

Almost surely, 2145045032500 is an apocalyptic number.

145045032500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145045032500 is an abundant number, since it is smaller than the sum of its proper divisors (172222734316).

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

145045032500 is an equidigital number, since it uses as much as digits as its factorization.

145045032500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15258 (or 15241 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 145045032500 in words is "one hundred forty-five billion, forty-five million, thirty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 7591 7643 15182 15286 30364 30572 37955 38215 75910 76430 151820 152860 189775 191075 379550 382150 759100 764300 948875 955375 1897750 1910750 3795500 3821500 4744375 4776875 9488750 9553750 18977500 19107500 58018013 116036026 232072052 290090065 580180130 1160360260 1450450325 2900900650 5801801300 7252251625 14504503250 29009006500 36261258125 72522516250 145045032500