Base | Representation |
---|---|
bin | 10100001010000110100… |
… | …110000000101001011010 |
3 | 11220102112120220011210120 |
4 | 110022012212000221122 |
5 | 140143431310033003 |
6 | 2540211440454110 |
7 | 202036323104541 |
oct | 24120646005132 |
9 | 4812476804716 |
10 | 1385237580378 |
11 | 4945265569a3 |
12 | 1a457531a336 |
13 | a0820372532 |
14 | 4b08db8b158 |
15 | 26077129853 |
hex | 14286980a5a |
1385237580378 has 48 divisors (see below), whose sum is σ = 2987194966848. Its totient is φ = 427422494400.
The previous prime is 1385237580359. The next prime is 1385237580379. The reversal of 1385237580378 is 8730857325831.
It is not an unprimeable number, because it can be changed into a prime (1385237580379) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5090043 + ... + 5355278.
It is an arithmetic number, because the mean of its divisors is an integer number (62233228476).
Almost surely, 21385237580378 is an apocalyptic number.
1385237580378 is an abundant number, since it is smaller than the sum of its proper divisors (1601957386470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1385237580378 is a wasteful number, since it uses less digits than its factorization.
1385237580378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10445411 (or 10445380 counting only the distinct ones).
The product of its (nonzero) digits is 33868800, while the sum is 60.
The spelling of 1385237580378 in words is "one trillion, three hundred eighty-five billion, two hundred thirty-seven million, five hundred eighty thousand, three hundred seventy-eight".
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