Base | Representation |
---|---|
bin | 111101000101111… |
… | …0001100100011111 |
3 | 12021212021001201120 |
4 | 1322023301210133 |
5 | 13144234010400 |
6 | 535224342023 |
7 | 101540631114 |
oct | 17213614437 |
9 | 5255231646 |
10 | 2049906975 |
11 | 9621344a6 |
12 | 492614913 |
13 | 2688cc30c |
14 | 15636a90b |
15 | bee6eca0 |
hex | 7a2f191f |
2049906975 has 24 divisors (see below), whose sum is σ = 3390480912. Its totient is φ = 1092864000.
The previous prime is 2049906973. The next prime is 2049906977. The reversal of 2049906975 is 5796099402.
It is an interprime number because it is at equal distance from previous prime (2049906973) and next prime (2049906977).
It is not a de Polignac number, because 2049906975 - 21 = 2049906973 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2049906973) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 357229 + ... + 362921.
It is an arithmetic number, because the mean of its divisors is an integer number (141270038).
Almost surely, 22049906975 is an apocalyptic number.
2049906975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2049906975 is a deficient number, since it is larger than the sum of its proper divisors (1340573937).
2049906975 is a wasteful number, since it uses less digits than its factorization.
2049906975 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10507 (or 10502 counting only the distinct ones).
The product of its (nonzero) digits is 1224720, while the sum is 51.
The square root of 2049906975 is about 45275.8983897614. The cubic root of 2049906975 is about 1270.3148773877.
The spelling of 2049906975 in words is "two billion, forty-nine million, nine hundred six thousand, nine hundred seventy-five".
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