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1350220140 = 2232520173719
BaseRepresentation
bin101000001111010…
…1011100101101100
310111002200021211100
41100132223211230
510231124021030
6341551523100
745313452603
oct12036534554
93432607740
101350220140
11633189415
12318229490
1318696c639
14cb474a3a
157d810360
hex507ab96c

1350220140 has 72 divisors (see below), whose sum is σ = 4098800160. Its totient is φ = 359783424.

The previous prime is 1350220127. The next prime is 1350220141. The reversal of 1350220140 is 410220531.

1350220140 is a `hidden beast` number, since 1 + 3 + 502 + 20 + 140 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1350220141) 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, 361201 + ... + 364919.

It is an arithmetic number, because the mean of its divisors is an integer number (56927780).

Almost surely, 21350220140 is an apocalyptic number.

1350220140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1350220140 is an abundant number, since it is smaller than the sum of its proper divisors (2748580020).

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

1350220140 is a wasteful number, since it uses less digits than its factorization.

1350220140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751 (or 5746 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1350220140 is about 36745.3417455873. The cubic root of 1350220140 is about 1105.2695206007.

Adding to 1350220140 its reverse (410220531), we get a palindrome (1760440671).

The spelling of 1350220140 in words is "one billion, three hundred fifty million, two hundred twenty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2017 3719 4034 6051 7438 8068 10085 11157 12102 14876 18153 18595 20170 22314 24204 30255 33471 36306 37190 40340 44628 55785 60510 66942 72612 74380 90765 111570 121020 133884 167355 181530 223140 334710 363060 669420 7501223 15002446 22503669 30004892 37506115 45007338 67511007 75012230 90014676 112518345 135022014 150024460 225036690 270044028 337555035 450073380 675110070 1350220140