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2148214870 = 25214821487
BaseRepresentation
bin1000000000001011…
…0010100001010110
312112201020121210201
42000002302201112
513344420333440
6553055411114
7104143345054
oct20002624126
95481217721
102148214870
11a0267a69a
124bb523a9a
1328309c879
1416543b1d4
15c88dd19a
hex800b2856

2148214870 has 8 divisors (see below), whose sum is σ = 3866786784. Its totient is φ = 859285944.

The previous prime is 2148214823. The next prime is 2148214919. The reversal of 2148214870 is 784128412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21482148702 = 9229654255378233800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107410734 + ... + 107410753.

It is an arithmetic number, because the mean of its divisors is an integer number (483348348).

Almost surely, 22148214870 is an apocalyptic number.

2148214870 is a deficient number, since it is larger than the sum of its proper divisors (1718571914).

2148214870 is a wasteful number, since it uses less digits than its factorization.

2148214870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214821494.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 2148214870 is about 46348.8389282838. The cubic root of 2148214870 is about 1290.3055723038.

The spelling of 2148214870 in words is "two billion, one hundred forty-eight million, two hundred fourteen thousand, eight hundred seventy".

Divisors: 1 2 5 10 214821487 429642974 1074107435 2148214870