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2148589802 = 21074294901
BaseRepresentation
bin1000000000010000…
…1110000011101010
312112201221200010002
42000010032003222
513400014333202
6553111423002
7104146466132
oct20004160352
95481850102
102148589802
11a02906357
124bb684a62
132831a1418
141654d7ac2
15c8964302
hex8010e0ea

2148589802 has 4 divisors (see below), whose sum is σ = 3222884706. Its totient is φ = 1074294900.

The previous prime is 2148589783. The next prime is 2148589811. The reversal of 2148589802 is 2089858412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2120510401 + 28079401 = 46049^2 + 5299^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537147449 + ... + 537147452.

Almost surely, 22148589802 is an apocalyptic number.

2148589802 is a deficient number, since it is larger than the sum of its proper divisors (1074294904).

2148589802 is a wasteful number, since it uses less digits than its factorization.

2148589802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074294903.

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 2148589802 is about 46352.8834270318. The cubic root of 2148589802 is about 1290.3806344269.

The spelling of 2148589802 in words is "two billion, one hundred forty-eight million, five hundred eighty-nine thousand, eight hundred two".

Divisors: 1 2 1074294901 2148589802