Base | Representation |
---|---|
bin | 10101101011111001110… |
… | …001100010010101001000 |
3 | 12021110121000210000102222 |
4 | 111223321301202111020 |
5 | 143404012243244442 |
6 | 3100335552113212 |
7 | 212444523112052 |
oct | 25537161422510 |
9 | 5243530700388 |
10 | 1490249196872 |
11 | 525013903707 |
12 | 2009a1535808 |
13 | aa6b724a107 |
14 | 521b26548d2 |
15 | 28b713128d2 |
hex | 15af9c62548 |
1490249196872 has 12 divisors (see below), whose sum is σ = 2794223718195. Its totient is φ = 745122872024.
The previous prime is 1490249196859. The next prime is 1490249196899. The reversal of 1490249196872 is 2786919420941.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 745124598436 + 745124598436 = 863206^2 + 863206^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=863206.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3237023 + ... + 3668625.
Almost surely, 21490249196872 is an apocalyptic number.
It is an amenable number.
1490249196872 is a deficient number, since it is larger than the sum of its proper divisors (1303974521323).
1490249196872 is an frugal number, since it uses more digits than its factorization.
1490249196872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 863212 (or 431605 counting only the distinct ones).
The product of its (nonzero) digits is 15676416, while the sum is 62.
The spelling of 1490249196872 in words is "one trillion, four hundred ninety billion, two hundred forty-nine million, one hundred ninety-six thousand, eight hundred seventy-two".
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