Base | Representation |
---|---|
bin | 101000010000111… |
… | …0000000111100000 |
3 | 10111011012012001102 |
4 | 1100201300013200 |
5 | 10231330300440 |
6 | 342021053532 |
7 | 45323344514 |
oct | 12041600740 |
9 | 3434165042 |
10 | 1351025120 |
11 | 633689195 |
12 | 3185572a8 |
13 | 186b91b63 |
14 | cb604144 |
15 | 7d91db15 |
hex | 508701e0 |
1351025120 has 48 divisors (see below), whose sum is σ = 3252039840. Its totient is φ = 530210304.
The previous prime is 1351025107. The next prime is 1351025131. The reversal of 1351025120 is 215201531.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 1351025092 and 1351025101.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71180 + ... + 88139.
It is an arithmetic number, because the mean of its divisors is an integer number (67750830).
Almost surely, 21351025120 is an apocalyptic number.
1351025120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1351025120 is an abundant number, since it is smaller than the sum of its proper divisors (1901014720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1351025120 is a wasteful number, since it uses less digits than its factorization.
1351025120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159387 (or 159379 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 20.
The square root of 1351025120 is about 36756.2936107546. The cubic root of 1351025120 is about 1105.4891250633.
Adding to 1351025120 its reverse (215201531), we get a palindrome (1566226651).
The spelling of 1351025120 in words is "one billion, three hundred fifty-one million, twenty-five thousand, one hundred twenty".
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