Base | Representation |
---|---|
bin | 111000101000001… |
… | …1101111110011111 |
3 | 11220102110020110222 |
4 | 1301100131332133 |
5 | 12342414024440 |
6 | 512314351555 |
7 | 65041642016 |
oct | 16120357637 |
9 | 4812406428 |
10 | 1900142495 |
11 | 8956431a9 |
12 | 45042b5bb |
13 | 243883694 |
14 | 140503a7d |
15 | b1c3a2b5 |
hex | 7141df9f |
1900142495 has 16 divisors (see below), whose sum is σ = 2398788000. Its totient is φ = 1442813568.
The previous prime is 1900142483. The next prime is 1900142501. The reversal of 1900142495 is 5942410091.
It is not a de Polignac number, because 1900142495 - 28 = 1900142239 is a prime.
It is a super-2 number, since 2×19001424952 = 7221083002609650050, which contains 22 as substring.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 102500 + ... + 119609.
It is an arithmetic number, because the mean of its divisors is an integer number (149924250).
Almost surely, 21900142495 is an apocalyptic number.
1900142495 is a deficient number, since it is larger than the sum of its proper divisors (498645505).
1900142495 is a wasteful number, since it uses less digits than its factorization.
1900142495 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222202.
The product of its (nonzero) digits is 12960, while the sum is 35.
The square root of 1900142495 is about 43590.6239345114. The cubic root of 1900142495 is about 1238.5932918279.
The spelling of 1900142495 in words is "one billion, nine hundred million, one hundred forty-two thousand, four hundred ninety-five".
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