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4311252140 = 2251353312863
BaseRepresentation
bin1000000001111100…
…00111110010101100
3102010110101022010012
410000332013302230
532312140032030
61551445032352
7211560016136
oct40076076254
912113338105
104311252140
1119126535a8
12a039b56b8
1353925bc90
142cc816056
151a3758095
hex100f87cac

4311252140 has 48 divisors (see below), whose sum is σ = 9934057728. Its totient is φ = 1561807104.

The previous prime is 4311252137. The next prime is 4311252167. The reversal of 4311252140 is 412521134.

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, 142652 + ... + 170211.

It is an arithmetic number, because the mean of its divisors is an integer number (206959536).

Almost surely, 24311252140 is an apocalyptic number.

It is an amenable number.

4311252140 is an abundant number, since it is smaller than the sum of its proper divisors (5622805588).

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

4311252140 is a wasteful number, since it uses less digits than its factorization.

4311252140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312938 (or 312936 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4311252140 is about 65660.1259517525. The cubic root of 4311252140 is about 1627.5505055496.

Adding to 4311252140 its reverse (412521134), we get a palindrome (4723773274).

The spelling of 4311252140 in words is "four billion, three hundred eleven million, two hundred fifty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 53 65 106 130 212 260 265 530 689 1060 1378 2756 3445 6890 13780 312863 625726 1251452 1564315 3128630 4067219 6257260 8134438 16268876 16581739 20336095 33163478 40672190 66326956 81344380 82908695 165817390 215562607 331634780 431125214 862250428 1077813035 2155626070 4311252140