Search a number
-
+
155451322301 = 1153266640347
BaseRepresentation
bin1001000011000110011…
…1101110111110111101
3112212020200002101020112
42100301213232332331
510021331014303201
6155225141155405
714142141303122
oct2206147567675
9485220071215
10155451322301
115aa212452a0
12261643bbb65
1311874a7b862
147749776749
15409c4860bb
hex24319eefbd

155451322301 has 8 divisors (see below), whose sum is σ = 172782945504. Its totient is φ = 138652979920.

The previous prime is 155451322291. The next prime is 155451322307. The reversal of 155451322301 is 103223154551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155451322301 - 26 = 155451322237 is a prime.

It is a super-2 number, since 2×1554513223012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155451322307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133319591 + ... + 133320756.

It is an arithmetic number, because the mean of its divisors is an integer number (21597868188).

Almost surely, 2155451322301 is an apocalyptic number.

155451322301 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

155451322301 is a deficient number, since it is larger than the sum of its proper divisors (17331623203).

155451322301 is a wasteful number, since it uses less digits than its factorization.

155451322301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266640411.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 155451322301 its reverse (103223154551), we get a palindrome (258674476852).

The spelling of 155451322301 in words is "one hundred fifty-five billion, four hundred fifty-one million, three hundred twenty-two thousand, three hundred one".

Divisors: 1 11 53 583 266640347 2933043817 14131938391 155451322301