Search a number
-
+
2151354054 = 236718129567
BaseRepresentation
bin1000000000111011…
…0000111011000110
312112221011002221210
42000032300323012
513401221312204
6553250552250
7104212131153
oct20016607306
95487132853
102151354054
11a04424163
12500598686
1328392b685
14165a1722a
15c8d0d389
hex803b0ec6

2151354054 has 32 divisors (see below), whose sum is σ = 4391202816. Its totient is φ = 702488160.

The previous prime is 2151354053. The next prime is 2151354083. The reversal of 2151354054 is 4504531512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151354053) 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 15 ways as a sum of consecutive naturals, for example, 57979 + ... + 87545.

It is an arithmetic number, because the mean of its divisors is an integer number (137225088).

Almost surely, 22151354054 is an apocalyptic number.

2151354054 is an abundant number, since it is smaller than the sum of its proper divisors (2239848762).

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

2151354054 is a wasteful number, since it uses less digits than its factorization.

2151354054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29820.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2151354054 is about 46382.6913190686. The cubic root of 2151354054 is about 1290.9337737723.

Adding to 2151354054 its reverse (4504531512), we get a palindrome (6655885566).

The spelling of 2151354054 in words is "two billion, one hundred fifty-one million, three hundred fifty-four thousand, fifty-four".

Divisors: 1 2 3 6 67 134 181 201 362 402 543 1086 12127 24254 29567 36381 59134 72762 88701 177402 1980989 3961978 5351627 5942967 10703254 11885934 16054881 32109762 358559009 717118018 1075677027 2151354054