Search a number
-
+
15255212143403 = 167233392053973
BaseRepresentation
bin1101110111111110000110…
…0000000011001100101011
32000000101100222000112222002
43131333201200003030223
53444420133302042103
652240051523321215
73133103243465531
oct335774140031453
960011328015862
1015255212143403
114951776609261
12186468b82020b
1386873908689b
143aa4db60c151
151b6c52d3c488
hexddfe180332b

15255212143403 has 8 divisors (see below), whose sum is σ = 15412425825888. Its totient is φ = 15098782569664.

The previous prime is 15255212143357. The next prime is 15255212143427. The reversal of 15255212143403 is 30434121255251.

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 15255212143403 - 238 = 14980334236459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15255212143463) 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, 195988076 + ... + 196065897.

It is an arithmetic number, because the mean of its divisors is an integer number (1926553228236).

Almost surely, 215255212143403 is an apocalyptic number.

15255212143403 is a deficient number, since it is larger than the sum of its proper divisors (157213682485).

15255212143403 is a wasteful number, since it uses less digits than its factorization.

15255212143403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392054373.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 15255212143403 its reverse (30434121255251), we get a palindrome (45689333398654).

The spelling of 15255212143403 in words is "fifteen trillion, two hundred fifty-five billion, two hundred twelve million, one hundred forty-three thousand, four hundred three".

Divisors: 1 167 233 38911 392053973 65473013491 91348575709 15255212143403