Search a number
-
+
1381254032984 = 2373503372461
BaseRepresentation
bin10100000110011001001…
…001111110111001011000
311220001020222011000002012
4110012121021332321120
5140112302013023414
62534312255325052
7201535522364000
oct24063111767130
94801228130065
101381254032984
1149287198a871
121a3843220788
13a0336c916b7
144abd2abb000
1525de255433e
hex1419927ee58

1381254032984 has 32 divisors (see below), whose sum is σ = 3020234772000. Its totient is φ = 591966012960.

The previous prime is 1381254032981. The next prime is 1381254032987. The reversal of 1381254032984 is 4892304521831.

It is an interprime number because it is at equal distance from previous prime (1381254032981) and next prime (1381254032987).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1381254032981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251683487 + ... + 251688974.

It is an arithmetic number, because the mean of its divisors is an integer number (94382336625).

Almost surely, 21381254032984 is an apocalyptic number.

1381254032984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1381254032984 is an abundant number, since it is smaller than the sum of its proper divisors (1638980739016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1381254032984 is an equidigital number, since it uses as much as digits as its factorization.

1381254032984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503372488 (or 503372470 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 1381254032984 in words is "one trillion, three hundred eighty-one billion, two hundred fifty-four million, thirty-two thousand, nine hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 343 392 686 1372 2744 503372461 1006744922 2013489844 3523607227 4026979688 7047214454 14094428908 24665250589 28188857816 49330501178 98661002356 172656754123 197322004712 345313508246 690627016492 1381254032984