| Base | Representation |
|---|---|
| bin | 101111001110101001… |
| … | …1000001000011100100 |
| 3 | 100200210100202020010202 |
| 4 | 1132131103001003210 |
| 5 | 3130203323141110 |
| 6 | 114332044210032 |
| 7 | 10220235310160 |
| oct | 1363523010344 |
| 9 | 320710666122 |
| 10 | 101423255780 |
| 11 | 3a016869250 |
| 12 | 177a6539918 |
| 13 | 9744641522 |
| 14 | 4ca20a7ca0 |
| 15 | 29891750a5 |
| hex | 179d4c10e4 |
101423255780 has 96 divisors (see below), whose sum is σ = 265683704832. Its totient is φ = 31595875200.
The previous prime is 101423255777. The next prime is 101423255783. The reversal of 101423255780 is 87552324101.
It is an interprime number because it is at equal distance from previous prime (101423255777) and next prime (101423255783).
It is a super-3 number, since 3×1014232557803 (a number of 34 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (101423255783) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3105335 + ... + 3137825.
It is an arithmetic number, because the mean of its divisors is an integer number (2767538592).
Almost surely, 2101423255780 is an apocalyptic number.
101423255780 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 101423255780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132841852416).
101423255780 is an abundant number, since it is smaller than the sum of its proper divisors (164260449052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101423255780 is a wasteful number, since it uses less digits than its factorization.
101423255780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34545 (or 34543 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 38.
Adding to 101423255780 its reverse (87552324101), we get a palindrome (188975579881).
The spelling of 101423255780 in words is "one hundred one billion, four hundred twenty-three million, two hundred fifty-five thousand, seven hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •