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5146789820 = 225257339491
BaseRepresentation
bin1001100101100010…
…11100011110111100
3111021200121000100012
410302301130132330
541020034233240
62210413322352
7241353664064
oct46261343674
914250530305
105146789820
112201257407
12bb77963b8
136403a5583
1436b7923a4
15201c9eb65
hex132c5c7bc

5146789820 has 12 divisors (see below), whose sum is σ = 10808258664. Its totient is φ = 2058715920.

The previous prime is 5146789807. The next prime is 5146789847. The reversal of 5146789820 is 289876415.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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, 128669726 + ... + 128669765.

It is an arithmetic number, because the mean of its divisors is an integer number (900688222).

Almost surely, 25146789820 is an apocalyptic number.

It is an amenable number.

5146789820 is an abundant number, since it is smaller than the sum of its proper divisors (5661468844).

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

5146789820 is a wasteful number, since it uses less digits than its factorization.

5146789820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257339500 (or 257339498 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 5146789820 is about 71741.1306016291. The cubic root of 5146789820 is about 1726.5486136614.

The spelling of 5146789820 in words is "five billion, one hundred forty-six million, seven hundred eighty-nine thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 257339491 514678982 1029357964 1286697455 2573394910 5146789820