Search a number
-
+
3124152944640 = 211385721373
BaseRepresentation
bin101101011101100110000…
…001101100100000000000
3102001122222120221100000000
4231131212001230200000
5402141231123212030
610351114400000000
7441466264605600
oct55354601544000
912048876840000
103124152944640
11aa4a44988652
12425594600000
131987b6228c60
14ab2d1a06c00
15563ee0d1860
hex2d76606c800

3124152944640 has 2592 divisors, whose sum is σ = 14278382085240. Its totient is φ = 650132324352.

The previous prime is 3124152944617. The next prime is 3124152944651. The reversal of 3124152944640 is 464492514213.

3124152944640 is a `hidden beast` number, since 3 + 1 + 2 + 41 + 529 + 4 + 46 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2054566757376 + 1069586187264 = 1433376^2 + 1034208^2 .

It is a tau number, because it is divible by the number of its divisors (2592).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 42796615644 + ... + 42796615716.

Almost surely, 23124152944640 is an apocalyptic number.

3124152944640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3124152944640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7139191042620).

3124152944640 is an abundant number, since it is smaller than the sum of its proper divisors (11154229140600).

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

3124152944640 is an frugal number, since it uses more digits than its factorization.

3124152944640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 3124152944640 in words is "three trillion, one hundred twenty-four billion, one hundred fifty-two million, nine hundred forty-four thousand, six hundred forty".