Base | Representation |
---|---|
bin | 1110011001111110011… |
… | …0110010011000010010 |
3 | 212122211001202101222111 |
4 | 3212133212302120102 |
5 | 13023330131143132 |
6 | 305410140255534 |
7 | 23611024531066 |
oct | 3463746623022 |
9 | 778731671874 |
10 | 247490881042 |
11 | 95a62172019 |
12 | 3bb702415aa |
13 | 1a4522b8c12 |
14 | bd9b4a9aa6 |
15 | 66878db647 |
hex | 399f9b2612 |
247490881042 has 16 divisors (see below), whose sum is σ = 373026104064. Its totient is φ = 123150280000.
The previous prime is 247490881037. The next prime is 247490881081. The reversal of 247490881042 is 240188094742.
It is a super-2 number, since 2×2474908810422 (a number of 24 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12334 + ... + 703657.
It is an arithmetic number, because the mean of its divisors is an integer number (23314131504).
Almost surely, 2247490881042 is an apocalyptic number.
247490881042 is a deficient number, since it is larger than the sum of its proper divisors (125535223022).
247490881042 is a wasteful number, since it uses less digits than its factorization.
247490881042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 716825.
The product of its (nonzero) digits is 1032192, while the sum is 49.
The spelling of 247490881042 in words is "two hundred forty-seven billion, four hundred ninety million, eight hundred eighty-one thousand, forty-two".
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