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213119020 = 22510655951
BaseRepresentation
bin11001011001111…
…11000000101100
3112212000120100001
430230333000230
5414024302040
633051514044
75165324152
oct1454770054
9485016301
10213119020
11aa333524
125b458924
13351cb73a
14204393d2
1513a9b59a
hexcb3f02c

213119020 has 12 divisors (see below), whose sum is σ = 447549984. Its totient is φ = 85247600.

The previous prime is 213118963. The next prime is 213119063. The reversal of 213119020 is 20911312.

213119020 is digitally balanced in base 2, 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 3 ways as a sum of consecutive naturals, for example, 5327956 + ... + 5327995.

It is an arithmetic number, because the mean of its divisors is an integer number (37295832).

Almost surely, 2213119020 is an apocalyptic number.

213119020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213119020 is an abundant number, since it is smaller than the sum of its proper divisors (234430964).

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

213119020 is a wasteful number, since it uses less digits than its factorization.

213119020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10655960 (or 10655958 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 213119020 is about 14598.5965078839. The cubic root of 213119020 is about 597.3204773366.

The spelling of 213119020 in words is "two hundred thirteen million, one hundred nineteen thousand, twenty".

Divisors: 1 2 4 5 10 20 10655951 21311902 42623804 53279755 106559510 213119020