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2050020140 = 225717861353
BaseRepresentation
bin111101000110000…
…1101001100101100
312021212110210221212
41322030031030230
513144301121030
6535231013552
7101541612050
oct17214151454
95255423855
102050020140
11962201523
1249266a2b8
1326893b98c
14156399c60
15bee93595
hex7a30d32c

2050020140 has 48 divisors (see below), whose sum is σ = 5209468992. Its totient is φ = 661518336.

The previous prime is 2050020127. The next prime is 2050020149. The reversal of 2050020140 is 410200502.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (2050020149) 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, 428297 + ... + 433056.

It is an arithmetic number, because the mean of its divisors is an integer number (108530604).

Almost surely, 22050020140 is an apocalyptic number.

2050020140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050020140 is an abundant number, since it is smaller than the sum of its proper divisors (3159448852).

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

2050020140 is a wasteful number, since it uses less digits than its factorization.

2050020140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861386 (or 861384 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2050020140 is about 45277.1480992343. The cubic root of 2050020140 is about 1270.3382528448.

Adding to 2050020140 its reverse (410200502), we get a palindrome (2460220642).

The spelling of 2050020140 in words is "two billion, fifty million, twenty thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 861353 1722706 3445412 4306765 6029471 8613530 12058942 14643001 17227060 24117884 29286002 30147355 58572004 60294710 73215005 102501007 120589420 146430010 205002014 292860020 410004028 512505035 1025010070 2050020140