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213203010030 = 23518713379777
BaseRepresentation
bin1100011010001111100…
…0111100000111101110
3202101022111002002100220
43012203320330013232
511443114432310110
6241535532232210
721255240453423
oct3064370740756
9671274062326
10213203010030
11824675a503a
12353a130b666
131714979024a
14a4677b3d4a
15582c627370
hex31a3e3c1ee

213203010030 has 32 divisors (see below), whose sum is σ = 511715915424. Its totient is φ = 56850948096.

The previous prime is 213203010023. The next prime is 213203010049. The reversal of 213203010030 is 30010302312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 213203009991 and 213203010009.

It is a congruent number.

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, 371502 + ... + 751278.

It is an arithmetic number, because the mean of its divisors is an integer number (15991122357).

Almost surely, 2213203010030 is an apocalyptic number.

213203010030 is an abundant number, since it is smaller than the sum of its proper divisors (298512905394).

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

213203010030 is a wasteful number, since it uses less digits than its factorization.

213203010030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398500.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 213203010030 its reverse (30010302312), we get a palindrome (243213312342).

The spelling of 213203010030 in words is "two hundred thirteen billion, two hundred three million, ten thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 18713 37426 56139 93565 112278 187130 280695 379777 561390 759554 1139331 1898885 2278662 3797770 5696655 11393310 7106767001 14213534002 21320301003 35533835005 42640602006 71067670010 106601505015 213203010030