Base | Representation |
---|---|
bin | 101100000100011000011100… |
… | …1011001000110000000000010 |
3 | 1212211111002200122220022200000 |
4 | 1120020300321121012000002 |
5 | 401301413424411344312 |
6 | 3452230531445540430 |
7 | 144435240314414103 |
oct | 13010607131060002 |
9 | 1784432618808600 |
10 | 387630351278082 |
11 | 1025691218809a0 |
12 | 37585438414716 |
13 | 1383a5015c7aa3 |
14 | 6ba15a28323aa |
15 | 2ec324d1caadc |
hex | 1608c39646002 |
387630351278082 has 192 divisors, whose sum is σ = 969647990822784. Its totient is φ = 115060607101440.
The previous prime is 387630351278041. The next prime is 387630351278143. The reversal of 387630351278082 is 280872153036783.
387630351278082 is a `hidden beast` number, since 3 + 8 + 7 + 6 + 3 + 0 + 351 + 278 + 0 + 8 + 2 = 666.
It is a super-2 number, since 2×3876303512780822 (a number of 30 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 173710888 + ... + 175928204.
It is an arithmetic number, because the mean of its divisors is an integer number (5050249952202).
Almost surely, 2387630351278082 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 387630351278082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484823995411392).
387630351278082 is an abundant number, since it is smaller than the sum of its proper divisors (582017639544702).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387630351278082 is a wasteful number, since it uses less digits than its factorization.
387630351278082 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2218015 (or 2218003 counting only the distinct ones).
The product of its (nonzero) digits is 81285120, while the sum is 63.
The spelling of 387630351278082 in words is "three hundred eighty-seven trillion, six hundred thirty billion, three hundred fifty-one million, two hundred seventy-eight thousand, eighty-two".
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