Base | Representation |
---|---|
bin | 101001010111100… |
… | …0010001001110100 |
3 | 10120201212211010210 |
4 | 1102233002021310 |
5 | 10320320430200 |
6 | 345422545420 |
7 | 46253216643 |
oct | 12257021164 |
9 | 3521784123 |
10 | 1388061300 |
11 | 652584aaa |
12 | 328a38270 |
13 | 19175b662 |
14 | d24c535a |
15 | 81cd7650 |
hex | 52bc2274 |
1388061300 has 36 divisors (see below), whose sum is σ = 4016124896. Its totient is φ = 370149600.
The previous prime is 1388061221. The next prime is 1388061313. The reversal of 1388061300 is 31608831.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2313136 + ... + 2313735.
Almost surely, 21388061300 is an apocalyptic number.
1388061300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1388061300 is an abundant number, since it is smaller than the sum of its proper divisors (2628063596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1388061300 is a wasteful number, since it uses less digits than its factorization.
1388061300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4626888 (or 4626881 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 1388061300 is about 37256.6947004159. The cubic root of 1388061300 is about 1115.4999333315.
The spelling of 1388061300 in words is "one billion, three hundred eighty-eight million, sixty-one thousand, three hundred".
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