Base | Representation |
---|---|
bin | 1110010011101001001… |
… | …1100100111111111000 |
3 | 212111102121210010010101 |
4 | 3210322103210333320 |
5 | 13011340041043210 |
6 | 304525345325144 |
7 | 23520636655315 |
oct | 3447223447770 |
9 | 774377703111 |
10 | 245791346680 |
11 | 9526a897770 |
12 | 3b7770367b4 |
13 | 1a241173599 |
14 | bc798a5d0c |
15 | 65d85caa3a |
hex | 393a4e4ff8 |
245791346680 has 32 divisors (see below), whose sum is σ = 603306033840. Its totient is φ = 89378671360.
The previous prime is 245791346629. The next prime is 245791346699. The reversal of 245791346680 is 86643197542.
It is a super-2 number, since 2×2457913466802 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (55).
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, 279307909 + ... + 279308788.
It is a 1-persistent number, because it is pandigital, but 2⋅245791346680 = 491582693360 is not.
Almost surely, 2245791346680 is an apocalyptic number.
245791346680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245791346680 is an abundant number, since it is smaller than the sum of its proper divisors (357514687160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245791346680 is a wasteful number, since it uses less digits than its factorization.
245791346680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 558616719 (or 558616715 counting only the distinct ones).
The product of its (nonzero) digits is 8709120, while the sum is 55.
The spelling of 245791346680 in words is "two hundred forty-five billion, seven hundred ninety-one million, three hundred forty-six thousand, six hundred eighty".
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