Search a number
-
+
2111131002 = 2319148912437
BaseRepresentation
bin111110111010101…
…0100110101111010
312110010110120022010
41331311110311322
513310422143002
6545252510350
7103213213611
oct17565246572
95403416263
102111131002
11993750a72
124ab01b3b6
132784b7456
14160546878
15c551546c
hex7dd54d7a

2111131002 has 32 divisors (see below), whose sum is σ = 4447828800. Its totient is φ = 666171648.

The previous prime is 2111130991. The next prime is 2111131013. The reversal of 2111131002 is 2001311112.

It is an interprime number because it is at equal distance from previous prime (2111130991) and next prime (2111131013).

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, 163528 + ... + 175964.

It is an arithmetic number, because the mean of its divisors is an integer number (138994650).

Almost surely, 22111131002 is an apocalyptic number.

2111131002 is an abundant number, since it is smaller than the sum of its proper divisors (2336697798).

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

2111131002 is a wasteful number, since it uses less digits than its factorization.

2111131002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13950.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2111131002 is about 45947.0456286365. The cubic root of 2111131002 is about 1282.8377393660.

Adding to 2111131002 its reverse (2001311112), we get a palindrome (4112442114).

The spelling of 2111131002 in words is "two billion, one hundred eleven million, one hundred thirty-one thousand, two".

Divisors: 1 2 3 6 19 38 57 114 1489 2978 4467 8934 12437 24874 28291 37311 56582 74622 84873 169746 236303 472606 708909 1417818 18518693 37037386 55556079 111112158 351855167 703710334 1055565501 2111131002