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2148535180 = 2251129336761
BaseRepresentation
bin1000000000010000…
…0000101110001100
312112201211220012001
42000010000232030
513400011111210
6553110322044
7104146150651
oct20004005614
95481756161
102148535180
11a02879310
124bb659324
132831825bc
141654c1c28
15c895303a
hex80100b8c

2148535180 has 48 divisors (see below), whose sum is σ = 5091841440. Its totient is φ = 754342400.

The previous prime is 2148535171. The next prime is 2148535223. The reversal of 2148535180 is 815358412.

2148535180 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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, 162001 + ... + 174760.

It is an arithmetic number, because the mean of its divisors is an integer number (106080030).

Almost surely, 22148535180 is an apocalyptic number.

2148535180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2148535180 is an abundant number, since it is smaller than the sum of its proper divisors (2943306260).

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

2148535180 is a wasteful number, since it uses less digits than its factorization.

2148535180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336810 (or 336808 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 2148535180 is about 46352.2942258525. The cubic root of 2148535180 is about 1290.3696995386.

It can be divided in two parts, 21485 and 35180, that added together give a palindrome (56665).

The spelling of 2148535180 in words is "two billion, one hundred forty-eight million, five hundred thirty-five thousand, one hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 29 44 55 58 110 116 145 220 290 319 580 638 1276 1595 3190 6380 336761 673522 1347044 1683805 3367610 3704371 6735220 7408742 9766069 14817484 18521855 19532138 37043710 39064276 48830345 74087420 97660690 107426759 195321380 214853518 429707036 537133795 1074267590 2148535180