Base | Representation |
---|---|
bin | 11100010011110001000… |
… | …000101011001010001110 |
3 | 20212222100002102110002001 |
4 | 130103301000223022032 |
5 | 223333103342004010 |
6 | 4045405014422514 |
7 | 260356023101362 |
oct | 34236100531216 |
9 | 6788302373061 |
10 | 1945368703630 |
11 | 690031a10280 |
12 | 275038061a3a |
13 | 1115a816a2c1 |
14 | 6a2290372a2 |
15 | 3590bc61c3a |
hex | 1c4f102b28e |
1945368703630 has 32 divisors (see below), whose sum is σ = 3820624171488. Its totient is φ = 707290608000.
The previous prime is 1945368703627. The next prime is 1945368703639. The reversal of 1945368703630 is 363078635491.
It is a Harshad number since it is a multiple of its sum of digits (55).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1945368703639) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778257 + ... + 2120476.
It is an arithmetic number, because the mean of its divisors is an integer number (119394505359).
Almost surely, 21945368703630 is an apocalyptic number.
1945368703630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1945368703630 is a deficient number, since it is larger than the sum of its proper divisors (1875255467858).
1945368703630 is a wasteful number, since it uses less digits than its factorization.
1945368703630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2904852.
The product of its (nonzero) digits is 9797760, while the sum is 55.
The spelling of 1945368703630 in words is "one trillion, nine hundred forty-five billion, three hundred sixty-eight million, seven hundred three thousand, six hundred thirty".
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