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151321200223 = 1168912945607
BaseRepresentation
bin1000110011101101110…
…0100100011001011111
3112110120211112102212011
42030323130210121133
54434401211401343
6153303242252051
713634610656644
oct2147334443137
9473524472764
10151321200223
11591a1966466
12253b11b7027
13113671cac3b
14747702ddcb
153e09aab29d
hex233b72465f

151321200223 has 4 divisors (see below), whose sum is σ = 151334157520. Its totient is φ = 151308242928.

The previous prime is 151321200137. The next prime is 151321200269. The reversal of 151321200223 is 322002123151.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-151321200223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151321200194 and 151321200203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151321200293) 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, 6461115 + ... + 6484492.

It is an arithmetic number, because the mean of its divisors is an integer number (37833539380).

Almost surely, 2151321200223 is an apocalyptic number.

151321200223 is a deficient number, since it is larger than the sum of its proper divisors (12957297).

151321200223 is a wasteful number, since it uses less digits than its factorization.

151321200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12957296.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 151321200223 its reverse (322002123151), we get a palindrome (473323323374).

The spelling of 151321200223 in words is "one hundred fifty-one billion, three hundred twenty-one million, two hundred thousand, two hundred twenty-three".

Divisors: 1 11689 12945607 151321200223