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216063379 = 730866197
BaseRepresentation
bin11001110000011…
…01110110010011
3120001120011020101
430320031312103
5420303012004
633234553231
75232336250
oct1470156623
9501504211
10216063379
11100a64684
1260438817
13359bc96c
14209a4427
1513e7dba4
hexce0dd93

216063379 has 4 divisors (see below), whose sum is σ = 246929584. Its totient is φ = 185197176.

The previous prime is 216063377. The next prime is 216063401. The reversal of 216063379 is 973360612.

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

It is a cyclic number.

It is not a de Polignac number, because 216063379 - 21 = 216063377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216063373) 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, 15433092 + ... + 15433105.

It is an arithmetic number, because the mean of its divisors is an integer number (61732396).

Almost surely, 2216063379 is an apocalyptic number.

216063379 is a deficient number, since it is larger than the sum of its proper divisors (30866205).

216063379 is an equidigital number, since it uses as much as digits as its factorization.

216063379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30866204.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 216063379 is about 14699.0944959205. The cubic root of 216063379 is about 600.0586785205.

The spelling of 216063379 in words is "two hundred sixteen million, sixty-three thousand, three hundred seventy-nine".

Divisors: 1 7 30866197 216063379