Base | Representation |
---|---|
bin | 11101110101010001010… |
… | …00100011111100110110 |
3 | 10121222210012110101211111 |
4 | 32322220220203330312 |
5 | 113243231020444000 |
6 | 2102520512425234 |
7 | 134025143220010 |
oct | 16725050437466 |
9 | 3558705411744 |
10 | 1025031421750 |
11 | 365793573606 |
12 | 1467a8b4821a |
13 | 758771841bb |
14 | 3787ca4d1b0 |
15 | 1b9e4093cba |
hex | eea8a23f36 |
1025031421750 has 64 divisors (see below), whose sum is σ = 2198708748288. Its totient is φ = 350521519200.
The previous prime is 1025031421747. The next prime is 1025031421753. The reversal of 1025031421750 is 571241305201.
It is an interprime number because it is at equal distance from previous prime (1025031421747) and next prime (1025031421753).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1025031421753) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94414 + ... + 1434913.
It is an arithmetic number, because the mean of its divisors is an integer number (34354824192).
Almost surely, 21025031421750 is an apocalyptic number.
1025031421750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1025031421750 is an abundant number, since it is smaller than the sum of its proper divisors (1173677326538).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1025031421750 is a wasteful number, since it uses less digits than its factorization.
1025031421750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1529734 (or 1529724 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 31.
Adding to 1025031421750 its reverse (571241305201), we get a palindrome (1596272726951).
The spelling of 1025031421750 in words is "one trillion, twenty-five billion, thirty-one million, four hundred twenty-one thousand, seven hundred fifty".
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