Base | Representation |
---|---|
bin | 10011011111001111… |
… | …000001101011010010 |
3 | 2000000022022121102201 |
4 | 103133033001223102 |
5 | 320323313034003 |
6 | 13340214033414 |
7 | 1340354435161 |
oct | 233717015322 |
9 | 60008277381 |
10 | 20925127378 |
11 | 8968763a01 |
12 | 407b94886a |
13 | 1c8625b49c |
14 | 10271033d8 |
15 | 8270acb1d |
hex | 4df3c1ad2 |
20925127378 has 16 divisors (see below), whose sum is σ = 31892421600. Its totient is φ = 10294675776.
The previous prime is 20925127369. The next prime is 20925127403. The reversal of 20925127378 is 87372152902.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29898 + ... + 206746.
It is an arithmetic number, because the mean of its divisors is an integer number (1993276350).
Almost surely, 220925127378 is an apocalyptic number.
20925127378 is a deficient number, since it is larger than the sum of its proper divisors (10967294222).
20925127378 is a wasteful number, since it uses less digits than its factorization.
20925127378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 177801.
The product of its (nonzero) digits is 423360, while the sum is 46.
The spelling of 20925127378 in words is "twenty billion, nine hundred twenty-five million, one hundred twenty-seven thousand, three hundred seventy-eight".
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