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231838219346 = 21512632918921
BaseRepresentation
bin1101011111101010100…
…0100111110001010010
3211011102012111210202112
43113322220213301102
512244301041004341
6254301025345322
722515111230636
oct3277250476122
9734365453675
10231838219346
118a35a6a3678
1238b22198242
1318b29496516
14b314710dc6
15606d655aeb
hex35faa27c52

231838219346 has 16 divisors (see below), whose sum is σ = 351391506048. Its totient is φ = 114713556000.

The previous prime is 231838219313. The next prime is 231838219381. The reversal of 231838219346 is 643912838132.

It is a junction number, because it is equal to n+sod(n) for n = 231838219294 and 231838219303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380035 + ... + 1538886.

It is an arithmetic number, because the mean of its divisors is an integer number (21961969128).

Almost surely, 2231838219346 is an apocalyptic number.

231838219346 is a deficient number, since it is larger than the sum of its proper divisors (119553286702).

231838219346 is a wasteful number, since it uses less digits than its factorization.

231838219346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919337.

The product of its digits is 1492992, while the sum is 50.

The spelling of 231838219346 in words is "two hundred thirty-one billion, eight hundred thirty-eight million, two hundred nineteen thousand, three hundred forty-six".

Divisors: 1 2 151 263 302 526 39713 79426 2918921 5837842 440757071 767676223 881514142 1535352446 115919109673 231838219346