Search a number
-
+
15406220153 is a prime number
BaseRepresentation
bin11100101100100100…
…00100001101111001
31110202200112001222102
432112102010031321
5223022443021103
611024424433145
71053531465512
oct162622041571
943680461872
1015406220153
116596456255
122b9b6187b5
1315b6a578cc
14a62167a09
15602805e88
hex396484379

15406220153 has 2 divisors, whose sum is σ = 15406220154. Its totient is φ = 15406220152.

The previous prime is 15406220143. The next prime is 15406220171. The reversal of 15406220153 is 35102260451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13811655529 + 1594564624 = 117523^2 + 39932^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15406220153 is a prime.

It is not a weakly prime, because it can be changed into another prime (15406220143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7703110076 + 7703110077.

It is an arithmetic number, because the mean of its divisors is an integer number (7703110077).

Almost surely, 215406220153 is an apocalyptic number.

It is an amenable number.

15406220153 is a deficient number, since it is larger than the sum of its proper divisors (1).

15406220153 is an equidigital number, since it uses as much as digits as its factorization.

15406220153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 15406220153 in words is "fifteen billion, four hundred six million, two hundred twenty thousand, one hundred fifty-three".