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8150210140 = 2251194134127
BaseRepresentation
bin1111001011100101…
…00101011001011100
3210001000001120110211
413211302211121130
5113142423211030
63424423142204
7405653433412
oct74562453134
923030046424
108150210140
113502643566
1216b55a4964
139cb6b6867
145746092b2
1532a7bc12a
hex1e5ca565c

8150210140 has 24 divisors (see below), whose sum is σ = 17117376192. Its totient is φ = 3259715520.

The previous prime is 8150210129. The next prime is 8150210147. The reversal of 8150210140 is 410120518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8150210147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221757 + ... + 255883.

It is an arithmetic number, because the mean of its divisors is an integer number (713224008).

Almost surely, 28150210140 is an apocalyptic number.

It is an amenable number.

8150210140 is an abundant number, since it is smaller than the sum of its proper divisors (8967166052).

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

8150210140 is a wasteful number, since it uses less digits than its factorization.

8150210140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46077 (or 46075 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 8150210140 is about 90278.5142766539. The cubic root of 8150210140 is about 2012.4399747538.

Adding to 8150210140 its reverse (410120518), we get a palindrome (8560330658).

The spelling of 8150210140 in words is "eight billion, one hundred fifty million, two hundred ten thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 11941 23882 34127 47764 59705 68254 119410 136508 170635 238820 341270 682540 407510507 815021014 1630042028 2037552535 4075105070 8150210140