Base | Representation |
---|---|
bin | 1000011110111001000… |
… | …1011100100101010100 |
3 | 111221011021110210211211 |
4 | 2013232101130211110 |
5 | 4341424224043300 |
6 | 150540443111204 |
7 | 13346235033223 |
oct | 2075621344524 |
9 | 457137423754 |
10 | 145731471700 |
11 | 56893686711 |
12 | 242b1212504 |
13 | 1098612ba79 |
14 | 70a68dacba |
15 | 3bcdeb54ba |
hex | 21ee45c954 |
145731471700 has 36 divisors (see below), whose sum is σ = 318004021440. Its totient is φ = 57966924640.
The previous prime is 145731471661. The next prime is 145731471703. The reversal of 145731471700 is 7174137541.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145731471703) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4052812 + ... + 4088611.
It is an arithmetic number, because the mean of its divisors is an integer number (8833445040).
Almost surely, 2145731471700 is an apocalyptic number.
145731471700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145731471700 is an abundant number, since it is smaller than the sum of its proper divisors (172272549740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145731471700 is a wasteful number, since it uses less digits than its factorization.
145731471700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8141616 (or 8141609 counting only the distinct ones).
The product of its (nonzero) digits is 82320, while the sum is 40.
The spelling of 145731471700 in words is "one hundred forty-five billion, seven hundred thirty-one million, four hundred seventy-one thousand, seven hundred".
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