Search a number
-
+
1494893495140 = 2256110091214393
BaseRepresentation
bin10101110000001110100…
…110001000001101100100
312021220120200211210221221
4111300032212020031210
5143443020213321030
63102424455350124
7213000566024203
oct25601646101544
95256520753857
101494893495140
11526a87451741
12201878982344
13aac774a74b6
14524d33a323a
1528d43e05e7a
hex15c0e988364

1494893495140 has 48 divisors (see below), whose sum is σ = 3193904795760. Its totient is φ = 587571425280.

The previous prime is 1494893495113. The next prime is 1494893495219. The reversal of 1494893495140 is 415943984941.

It can be written as a sum of positive squares in 8 ways, for example, as 280418966116 + 1214474529024 = 529546^2 + 1102032^2 .

It is a Harshad number since it is a multiple of its sum of digits (61).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623784 + ... + 1838176.

It is an arithmetic number, because the mean of its divisors is an integer number (66539683245).

Almost surely, 21494893495140 is an apocalyptic number.

1494893495140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1494893495140 is an abundant number, since it is smaller than the sum of its proper divisors (1699011300620).

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

1494893495140 is a wasteful number, since it uses less digits than its factorization.

1494893495140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215472 (or 1215470 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 61.

The spelling of 1494893495140 in words is "one trillion, four hundred ninety-four billion, eight hundred ninety-three million, four hundred ninety-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1009 1220 2018 4036 5045 10090 20180 61549 123098 246196 307745 615490 1214393 1230980 2428786 4857572 6071965 12143930 24287860 74077973 148155946 296311892 370389865 740779730 1225322537 1481559460 2450645074 4901290148 6126612685 12253225370 24506450740 74744674757 149489349514 298978699028 373723373785 747446747570 1494893495140