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2132554220 = 225106627711
BaseRepresentation
bin111111100011100…
…0011000111101100
312111121202222102122
41333013003013230
513331413213340
6551340012112
7103563261146
oct17707030754
95447688378
102132554220
119a4853605
124b6231038
1327ca78604
14163321c96
15c7347db5
hex7f1c31ec

2132554220 has 12 divisors (see below), whose sum is σ = 4478363904. Its totient is φ = 853021680.

The previous prime is 2132554213. The next prime is 2132554223. The reversal of 2132554220 is 224552312.

It is a self number, because there is not a number n which added to its sum of digits gives 2132554220.

It is not an unprimeable number, because it can be changed into a prime (2132554223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53313836 + ... + 53313875.

It is an arithmetic number, because the mean of its divisors is an integer number (373196992).

Almost surely, 22132554220 is an apocalyptic number.

2132554220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132554220 is an abundant number, since it is smaller than the sum of its proper divisors (2345809684).

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

2132554220 is a wasteful number, since it uses less digits than its factorization.

2132554220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106627720 (or 106627718 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2132554220 is about 46179.5866157331. The cubic root of 2132554220 is about 1287.1624467149.

The spelling of 2132554220 in words is "two billion, one hundred thirty-two million, five hundred fifty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 106627711 213255422 426510844 533138555 1066277110 2132554220