Base | Representation |
---|---|
bin | 1010010100011100… |
… | …1011110010110100 |
3 | 21011001110212200120 |
4 | 2211013023302310 |
5 | 21133122431311 |
6 | 1134513211540 |
7 | 125434444065 |
oct | 24507136264 |
9 | 7131425616 |
10 | 2770123956 |
11 | 11a1732146 |
12 | 653860bb0 |
13 | 351b99802 |
14 | 1c3c8856c |
15 | 1132d7706 |
hex | a51cbcb4 |
2770123956 has 72 divisors (see below), whose sum is σ = 7164937920. Its totient is φ = 831249408.
The previous prime is 2770123949. The next prime is 2770123969. The reversal of 2770123956 is 6593210772.
2770123956 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62400 + ... + 97128.
Almost surely, 22770123956 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2770123956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3582468960).
2770123956 is an abundant number, since it is smaller than the sum of its proper divisors (4394813964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2770123956 is a wasteful number, since it uses less digits than its factorization.
2770123956 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34793 (or 34774 counting only the distinct ones).
The product of its (nonzero) digits is 158760, while the sum is 42.
The square root of 2770123956 is about 52631.9670542533. The cubic root of 2770123956 is about 1404.4288245385.
The spelling of 2770123956 in words is "two billion, seven hundred seventy million, one hundred twenty-three thousand, nine hundred fifty-six".
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