Search a number
-
+
3011021340 = 223559850571
BaseRepresentation
bin1011001101111000…
…1000101000011100
321202211202201202220
42303132020220130
522131310140330
61214440345340
7134421154605
oct26336105034
97684681686
103011021340
111305708998
12700475250
1338ca72c42
14207c74dac
1512951e710
hexb3788a1c

3011021340 has 48 divisors (see below), whose sum is σ = 8573765760. Its totient is φ = 789328960.

The previous prime is 3011021327. The next prime is 3011021347. The reversal of 3011021340 is 431201103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011021347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421746 + ... + 428825.

It is an arithmetic number, because the mean of its divisors is an integer number (178620120).

Almost surely, 23011021340 is an apocalyptic number.

3011021340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3011021340 is an abundant number, since it is smaller than the sum of its proper divisors (5562744420).

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

3011021340 is a wasteful number, since it uses less digits than its factorization.

3011021340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850642 (or 850640 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3011021340 is about 54872.7741234212. The cubic root of 3011021340 is about 1444.0135810807.

Adding to 3011021340 its reverse (431201103), we get a palindrome (3442222443).

The spelling of 3011021340 in words is "three billion, eleven million, twenty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 59 60 118 177 236 295 354 590 708 885 1180 1770 3540 850571 1701142 2551713 3402284 4252855 5103426 8505710 10206852 12758565 17011420 25517130 50183689 51034260 100367378 150551067 200734756 250918445 301102134 501836890 602204268 752755335 1003673780 1505510670 3011021340