Base | Representation |
---|---|
bin | 111101110111111110… |
… | …101000100111111110 |
3 | 20100111010201111101111 |
4 | 331313332220213332 |
5 | 2042030434324340 |
6 | 50304304232234 |
7 | 4541244505444 |
oct | 756776504776 |
9 | 210433644344 |
10 | 66437417470 |
11 | 261a3210096 |
12 | 10a6190b67a |
13 | 635a338758 |
14 | 3303806b94 |
15 | 1adc990aea |
hex | f77fa89fe |
66437417470 has 16 divisors (see below), whose sum is σ = 123711053760. Its totient is φ = 25658588704.
The previous prime is 66437417467. The next prime is 66437417491. The reversal of 66437417470 is 7471473466.
It is a super-2 number, since 2×664374174702 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
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, 114546982 + ... + 114547561.
It is an arithmetic number, because the mean of its divisors is an integer number (7731940860).
Almost surely, 266437417470 is an apocalyptic number.
66437417470 is a deficient number, since it is larger than the sum of its proper divisors (57273636290).
66437417470 is a wasteful number, since it uses less digits than its factorization.
66437417470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 229094579.
The product of its (nonzero) digits is 2370816, while the sum is 49.
The spelling of 66437417470 in words is "sixty-six billion, four hundred thirty-seven million, four hundred seventeen thousand, four hundred seventy".
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