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213113010 = 23511661977
BaseRepresentation
bin11001011001111…
…01100010110010
3112212000021002110
430230331202302
5414024104020
633051430150
75165300505
oct1454754262
9485007073
10213113010
11aa329a60
125b455356
13351c8a96
142043713c
1513a998e0
hexcb3d8b2

213113010 has 64 divisors (see below), whose sum is σ = 559384704. Its totient is φ = 51532800.

The previous prime is 213112981. The next prime is 213113051. The reversal of 213113010 is 10311312.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217642 + ... + 218618.

It is an arithmetic number, because the mean of its divisors is an integer number (8740386).

Almost surely, 2213113010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213113010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279692352).

213113010 is an abundant number, since it is smaller than the sum of its proper divisors (346271694).

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

213113010 is a wasteful number, since it uses less digits than its factorization.

213113010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 213113010 is about 14598.3906647274. The cubic root of 213113010 is about 597.3148624305.

Adding to 213113010 its reverse (10311312), we get a palindrome (223424322).

The spelling of 213113010 in words is "two hundred thirteen million, one hundred thirteen thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 661 977 1322 1954 1983 2931 3305 3966 4885 5862 6610 7271 9770 9915 10747 14542 14655 19830 21494 21813 29310 32241 36355 43626 53735 64482 72710 107470 109065 161205 218130 322410 645797 1291594 1937391 3228985 3874782 6457970 7103767 9686955 14207534 19373910 21311301 35518835 42622602 71037670 106556505 213113010