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3133142220 = 2235134016849
BaseRepresentation
bin1011101010111111…
…1111010011001100
322002100120010010110
42322233333103030
522404041022340
61234522040020
7140433161265
oct27257772314
98070503113
103133142220
11136863913a
12735349010
133ac160310
1421a18396c
151350e3680
hexbabff4cc

3133142220 has 48 divisors (see below), whose sum is σ = 9447631200. Its totient is φ = 771234816.

The previous prime is 3133142219. The next prime is 3133142231. The reversal of 3133142220 is 222413313.

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, 2007645 + ... + 2009204.

It is an arithmetic number, because the mean of its divisors is an integer number (196825650).

Almost surely, 23133142220 is an apocalyptic number.

3133142220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3133142220 is an abundant number, since it is smaller than the sum of its proper divisors (6314488980).

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

3133142220 is a wasteful number, since it uses less digits than its factorization.

3133142220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4016874 (or 4016872 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3133142220 is about 55974.4782914499. The cubic root of 3133142220 is about 1463.2775276803.

Adding to 3133142220 its reverse (222413313), we get a palindrome (3355555533).

The spelling of 3133142220 in words is "three billion, one hundred thirty-three million, one hundred forty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 4016849 8033698 12050547 16067396 20084245 24101094 40168490 48202188 52219037 60252735 80336980 104438074 120505470 156657111 208876148 241010940 261095185 313314222 522190370 626628444 783285555 1044380740 1566571110 3133142220