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213125010 = 23572144983
BaseRepresentation
bin11001011010000…
…00011110010010
3112212000212112220
430231000132102
5414030000020
633052001510
75165350500
oct1455003622
9485025486
10213125010
11aa337a7a
125b460296
1335201397
142043b670
1513a9d240
hexcb40792

213125010 has 48 divisors (see below), whose sum is σ = 595014336. Its totient is φ = 48713952.

The previous prime is 213124999. The next prime is 213125021. The reversal of 213125010 is 10521312.

It is an interprime number because it is at equal distance from previous prime (213124999) and next prime (213125021).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71022 + ... + 73961.

It is an arithmetic number, because the mean of its divisors is an integer number (12396132).

Almost surely, 2213125010 is an apocalyptic number.

213125010 is an abundant number, since it is smaller than the sum of its proper divisors (381889326).

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

213125010 is a wasteful number, since it uses less digits than its factorization.

213125010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145007 (or 145000 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 213125010 is about 14598.8016631503. The cubic root of 213125010 is about 597.3260734523.

Adding to 213125010 its reverse (10521312), we get a palindrome (223646322).

The spelling of 213125010 in words is "two hundred thirteen million, one hundred twenty-five thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 144983 289966 434949 724915 869898 1014881 1449830 2029762 2174745 3044643 4349490 5074405 6089286 7104167 10148810 14208334 15223215 21312501 30446430 35520835 42625002 71041670 106562505 213125010