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2151403011 = 3438968279
BaseRepresentation
bin1000000000111011…
…1100111000000011
312112221020121010000
42000032330320003
513401224344021
6553252011043
7104212423662
oct20016747003
95487217100
102151403011
11a04457a1a
12500600a83
13283947a44
14165a2add9
15c8d1cb26
hex803bce03

2151403011 has 20 divisors (see below), whose sum is σ = 3222133200. Its totient is φ = 1430560656.

The previous prime is 2151402991. The next prime is 2151403039. The reversal of 2151403011 is 1103041512.

It is not a de Polignac number, because 2151403011 - 29 = 2151402499 is a prime.

It is a super-2 number, since 2×21514030112 = 9257069831479732242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2151403411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2631 + ... + 65648.

It is an arithmetic number, because the mean of its divisors is an integer number (161106660).

Almost surely, 22151403011 is an apocalyptic number.

2151403011 is a deficient number, since it is larger than the sum of its proper divisors (1070730189).

2151403011 is an equidigital number, since it uses as much as digits as its factorization.

2151403011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68680 (or 68671 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 2151403011 is about 46383.2190668134. The cubic root of 2151403011 is about 1290.9435660184.

Adding to 2151403011 its reverse (1103041512), we get a palindrome (3254444523).

The spelling of 2151403011 in words is "two billion, one hundred fifty-one million, four hundred three thousand, eleven".

Divisors: 1 3 9 27 81 389 1167 3501 10503 31509 68279 204837 614511 1843533 5530599 26560531 79681593 239044779 717134337 2151403011