Base | Representation |
---|---|
bin | 1001011010011101010101… |
… | …10010100001101100101111 |
3 | 2201021221010101111100001200 |
4 | 10231032222302201230233 |
5 | 10203123220032141000 |
6 | 112005331543140543 |
7 | 4234356022246206 |
oct | 455165262415457 |
9 | 81257111440050 |
10 | 20700312771375 |
11 | 6660a539a3476 |
12 | 23a3a38a44753 |
13 | b720534a08a3 |
14 | 517c86cdc23d |
15 | 25d6e1621500 |
hex | 12d3aaca1b2f |
20700312771375 has 96 divisors (see below), whose sum is σ = 38631774355200. Its totient is φ = 10657250265600.
The previous prime is 20700312771367. The next prime is 20700312771403. The reversal of 20700312771375 is 57317721300702.
20700312771375 is a `hidden beast` number, since 2 + 0 + 7 + 0 + 0 + 3 + 1 + 277 + 1 + 375 = 666.
It is not a de Polignac number, because 20700312771375 - 23 = 20700312771367 is a prime.
It is a super-4 number, since 4×207003127713754 (a number of 54 digits) contains 4444 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 20700312771375.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1178401 + ... + 6541349.
It is an arithmetic number, because the mean of its divisors is an integer number (402414316200).
Almost surely, 220700312771375 is an apocalyptic number.
20700312771375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20700312771375 is a deficient number, since it is larger than the sum of its proper divisors (17931461583825).
20700312771375 is a wasteful number, since it uses less digits than its factorization.
20700312771375 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5363090 (or 5363077 counting only the distinct ones).
The product of its (nonzero) digits is 432180, while the sum is 45.
The spelling of 20700312771375 in words is "twenty trillion, seven hundred billion, three hundred twelve million, seven hundred seventy-one thousand, three hundred seventy-five".
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