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120100148 = 2274289291
BaseRepresentation
bin1110010100010…
…01010100110100
322100222201102122
413022021110310
5221221201043
615530055112
72655556130
oct712112464
9270881378
10120100148
1161880023
123427a498
131bb6069c
1411d443c0
15a825368
hex7289534

120100148 has 12 divisors (see below), whose sum is σ = 240200352. Its totient is φ = 51471480.

The previous prime is 120100147. The next prime is 120100153. The reversal of 120100148 is 841001021.

120100148 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2144618 + ... + 2144673.

It is an arithmetic number, because the mean of its divisors is an integer number (20016696).

Almost surely, 2120100148 is an apocalyptic number.

It is an amenable number.

120100148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

120100148 is a wasteful number, since it uses less digits than its factorization.

120100148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289302 (or 4289300 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 120100148 is about 10959.0213066679. The cubic root of 120100148 is about 493.3795912716.

Adding to 120100148 its reverse (841001021), we get a palindrome (961101169).

The spelling of 120100148 in words is "one hundred twenty million, one hundred thousand, one hundred forty-eight".

Divisors: 1 2 4 7 14 28 4289291 8578582 17157164 30025037 60050074 120100148