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2140538130 = 23357927919
BaseRepresentation
bin111111110010110…
…0000010100010010
312112011210121022000
41333211200110102
513340434210010
6552223054430
7104021162643
oct17745402422
95464717260
102140538130
119a9306a85
124b8a41416
13281612613
141643dd6ca
15c7dc37c0
hex7f960512

2140538130 has 32 divisors (see below), whose sum is σ = 5708102400. Its totient is φ = 570810096.

The previous prime is 2140538123. The next prime is 2140538161. The reversal of 2140538130 is 318350412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2140538094 and 2140538103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3963690 + ... + 3964229.

It is an arithmetic number, because the mean of its divisors is an integer number (178378200).

Almost surely, 22140538130 is an apocalyptic number.

2140538130 is an abundant number, since it is smaller than the sum of its proper divisors (3567564270).

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

2140538130 is a wasteful number, since it uses less digits than its factorization.

2140538130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927935 (or 7927929 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2140538130 is about 46265.9500064572. The cubic root of 2140538130 is about 1288.7667499892.

Adding to 2140538130 its reverse (318350412), we get a palindrome (2458888542).

The spelling of 2140538130 in words is "two billion, one hundred forty million, five hundred thirty-eight thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 7927919 15855838 23783757 39639595 47567514 71351271 79279190 118918785 142702542 214053813 237837570 356756355 428107626 713512710 1070269065 2140538130