Base | Representation |
---|---|
bin | 111001101000011000… |
… | …0011111010000011101 |
3 | 102211110011000101022110 |
4 | 1303100300133100131 |
5 | 4011430413044112 |
6 | 132504421304233 |
7 | 11640632006613 |
oct | 1632060372035 |
9 | 384404011273 |
10 | 123761456157 |
11 | 4853a12a879 |
12 | 1bb9b565079 |
13 | b894577981 |
14 | 5dc0b236b3 |
15 | 334530b13c |
hex | 1cd0c1f41d |
123761456157 has 16 divisors (see below), whose sum is σ = 169796183040. Its totient is φ = 80138623152.
The previous prime is 123761456113. The next prime is 123761456167. The reversal of 123761456157 is 751654167321.
It is not a de Polignac number, because 123761456157 - 210 = 123761455133 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123761456167) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2656773 + ... + 2702954.
It is an arithmetic number, because the mean of its divisors is an integer number (10612261440).
Almost surely, 2123761456157 is an apocalyptic number.
It is an amenable number.
123761456157 is a deficient number, since it is larger than the sum of its proper divisors (46034726883).
123761456157 is a wasteful number, since it uses less digits than its factorization.
123761456157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5359952.
The product of its digits is 1058400, while the sum is 48.
The spelling of 123761456157 in words is "one hundred twenty-three billion, seven hundred sixty-one million, four hundred fifty-six thousand, one hundred fifty-seven".
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