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6838190900 = 225268381909
BaseRepresentation
bin1100101111001011…
…01000001100110100
3122122120021002102122
412113211220030310
5103001034102100
63050314055112
7331312443422
oct62745501464
918576232378
106838190900
112999a87042
1213aa11a498
1384c930c08
1448c27a112
152a0505985
hex197968334

6838190900 has 18 divisors (see below), whose sum is σ = 14838874470. Its totient is φ = 2735276320.

The previous prime is 6838190899. The next prime is 6838190911. The reversal of 6838190900 is 90918386.

It can be written as a sum of positive squares in 3 ways, for example, as 1574978596 + 5263212304 = 39686^2 + 72548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34190855 + ... + 34191054.

It is an arithmetic number, because the mean of its divisors is an integer number (824381915).

Almost surely, 26838190900 is an apocalyptic number.

It is an amenable number.

6838190900 is an abundant number, since it is smaller than the sum of its proper divisors (8000683570).

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

6838190900 is a wasteful number, since it uses less digits than its factorization.

6838190900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68381923 (or 68381916 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 6838190900 is about 82693.3546302241. The cubic root of 6838190900 is about 1898.0766224046.

The spelling of 6838190900 in words is "six billion, eight hundred thirty-eight million, one hundred ninety thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 68381909 136763818 273527636 341909545 683819090 1367638180 1709547725 3419095450 6838190900