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2148375142 = 25923897621
BaseRepresentation
bin1000000000001101…
…1001101001100110
312112201112202122201
42000003121221212
513344441001032
6553103045114
7104144613244
oct20003315146
95481482581
102148375142
11a0277a051
124bb5a079a
132831277c4
1416547d794
15c89208e7
hex800d9a66

2148375142 has 16 divisors (see below), whose sum is σ = 3278984400. Its totient is φ = 1055400480.

The previous prime is 2148375137. The next prime is 2148375143. The reversal of 2148375142 is 2415738412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148375143) 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, 278092 + ... + 285712.

It is an arithmetic number, because the mean of its divisors is an integer number (204936525).

Almost surely, 22148375142 is an apocalyptic number.

2148375142 is a deficient number, since it is larger than the sum of its proper divisors (1130609258).

2148375142 is a wasteful number, since it uses less digits than its factorization.

2148375142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071.

The product of its digits is 53760, while the sum is 37.

The square root of 2148375142 is about 46350.5678713864. The cubic root of 2148375142 is about 1290.3376601418.

The spelling of 2148375142 in words is "two billion, one hundred forty-eight million, three hundred seventy-five thousand, one hundred forty-two".

Divisors: 1 2 59 118 2389 4778 7621 15242 140951 281902 449639 899278 18206569 36413138 1074187571 2148375142