Base | Representation |
---|---|
bin | 100101110111100… |
… | …0100001100000000 |
3 | 10021112220122110210 |
4 | 1023233010030000 |
5 | 10100240112440 |
6 | 330025554120 |
7 | 43326112035 |
oct | 11357041400 |
9 | 3245818423 |
10 | 1270629120 |
11 | 5a2267512 |
12 | 2b5645940 |
13 | 173323467 |
14 | c0a7738c |
15 | 7683ca80 |
hex | 4bbc4300 |
1270629120 has 144 divisors (see below), whose sum is σ = 4077878112. Its totient is φ = 337182720.
The previous prime is 1270629109. The next prime is 1270629131. The reversal of 1270629120 is 219260721.
It is an interprime number because it is at equal distance from previous prime (1270629109) and next prime (1270629131).
It is a super-2 number, since 2×12706291202 = 3228996721183948800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 924754 + ... + 926126.
It is an arithmetic number, because the mean of its divisors is an integer number (28318598).
Almost surely, 21270629120 is an apocalyptic number.
1270629120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1270629120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2038939056).
1270629120 is an abundant number, since it is smaller than the sum of its proper divisors (2807248992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1270629120 is a wasteful number, since it uses less digits than its factorization.
1270629120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1638 (or 1624 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 1270629120 is about 35645.8850360038. The cubic root of 1270629120 is about 1083.1109207052.
Adding to 1270629120 its reverse (219260721), we get a palindrome (1489889841).
The spelling of 1270629120 in words is "one billion, two hundred seventy million, six hundred twenty-nine thousand, one hundred twenty".
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