Base | Representation |
---|---|
bin | 1000011110000100100… |
… | …1101001011000000100 |
3 | 111220120221020002210110 |
4 | 2013201021221120010 |
5 | 4341001344320030 |
6 | 150502540353020 |
7 | 13340622560541 |
oct | 2074111513004 |
9 | 456527202713 |
10 | 145511323140 |
11 | 56790391857 |
12 | 2424b545770 |
13 | 1094c63b851 |
14 | 7085591bc8 |
15 | 3bb99cb1b0 |
hex | 21e1269604 |
145511323140 has 96 divisors (see below), whose sum is σ = 408903780096. Its totient is φ = 38663004160.
The previous prime is 145511323109. The next prime is 145511323163. The reversal of 145511323140 is 41323115541.
145511323140 is digitally balanced in base 3 and base 7, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 145511323098 and 145511323107.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45598945 + ... + 45602135.
It is an arithmetic number, because the mean of its divisors is an integer number (4259414376).
Almost surely, 2145511323140 is an apocalyptic number.
145511323140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
145511323140 is an abundant number, since it is smaller than the sum of its proper divisors (263392456956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145511323140 is a wasteful number, since it uses less digits than its factorization.
145511323140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5709 (or 5707 counting only the distinct ones).
The product of its (nonzero) digits is 7200, while the sum is 30.
Adding to 145511323140 its reverse (41323115541), we get a palindrome (186834438681).
The spelling of 145511323140 in words is "one hundred forty-five billion, five hundred eleven million, three hundred twenty-three thousand, one hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •