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3102103212 = 2231347423091
BaseRepresentation
bin1011100011100110…
…0101011010101100
322000012011011121120
42320321211122230
522323114300322
61231452500540
7136605304455
oct27071453254
98005134546
103102103212
11135206906a
12726a7a750
133a58b3440
14215dc412c
15132511a5c
hexb8e656ac

3102103212 has 48 divisors (see below), whose sum is σ = 7960899072. Its totient is φ = 934182720.

The previous prime is 3102103201. The next prime is 3102103217. The reversal of 3102103212 is 2123012013.

It is a junction number, because it is equal to n+sod(n) for n = 3102103191 and 3102103200.

It is not an unprimeable number, because it can be changed into a prime (3102103217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204214 + ... + 218877.

It is an arithmetic number, because the mean of its divisors is an integer number (165852064).

Almost surely, 23102103212 is an apocalyptic number.

It is an amenable number.

3102103212 is an abundant number, since it is smaller than the sum of its proper divisors (4858795860).

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

3102103212 is a wasteful number, since it uses less digits than its factorization.

3102103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423158 (or 423156 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3102103212 is about 55696.5278271456. The cubic root of 3102103212 is about 1458.4294132014.

Adding to 3102103212 its reverse (2123012013), we get a palindrome (5225115225).

The spelling of 3102103212 in words is "three billion, one hundred two million, one hundred three thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 47 52 78 94 141 156 188 282 564 611 1222 1833 2444 3666 7332 423091 846182 1269273 1692364 2538546 5077092 5500183 11000366 16500549 19885277 22000732 33001098 39770554 59655831 66002196 79541108 119311662 238623324 258508601 517017202 775525803 1034034404 1551051606 3102103212