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2051115130 = 251091881757
BaseRepresentation
bin111101001000001…
…1000100001111010
312021221112110000001
41322100120201322
513200041141010
6535310303214
7101554122331
oct17220304172
95257473001
102051115130
1196288a179
12492ab7b0a
13268c331bc
141565a2d18
15c010cc3a
hex7a41887a

2051115130 has 16 divisors (see below), whose sum is σ = 3725880840. Its totient is φ = 812918592.

The previous prime is 2051115119. The next prime is 2051115163. The reversal of 2051115130 is 315111502.

It can be written as a sum of positive squares in 4 ways, for example, as 2051093521 + 21609 = 45289^2 + 147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2051115098 and 2051115107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939789 + ... + 941968.

Almost surely, 22051115130 is an apocalyptic number.

2051115130 is a deficient number, since it is larger than the sum of its proper divisors (1674765710).

2051115130 is a wasteful number, since it uses less digits than its factorization.

2051115130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881873.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 2051115130 is about 45289.2385672358. The cubic root of 2051115130 is about 1270.5643904759.

Adding to 2051115130 its reverse (315111502), we get a palindrome (2366226632).

The spelling of 2051115130 in words is "two billion, fifty-one million, one hundred fifteen thousand, one hundred thirty".

Divisors: 1 2 5 10 109 218 545 1090 1881757 3763514 9408785 18817570 205111513 410223026 1025557565 2051115130