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1385237580378 = 232331210445321
BaseRepresentation
bin10100001010000110100…
…110000000101001011010
311220102112120220011210120
4110022012212000221122
5140143431310033003
62540211440454110
7202036323104541
oct24120646005132
94812476804716
101385237580378
114945265569a3
121a457531a336
13a0820372532
144b08db8b158
1526077129853
hex14286980a5a

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".

Divisors: 1 2 3 6 23 31 46 62 69 93 138 186 713 961 1426 1922 2139 2883 4278 5766 22103 44206 66309 132618 10445321 20890642 31335963 62671926 240242383 323804951 480484766 647609902 720727149 971414853 1441454298 1942829706 7447513873 10037953481 14895027746 20075906962 22342541619 30113860443 44685083238 60227720886 230872930063 461745860126 692618790189 1385237580378