Search a number
-
+
151581021053 = 7111968584689
BaseRepresentation
bin1000110100101011101…
…1101101001101111101
3112111020221102201000212
42031022323231031331
54440414220133203
6153345123202205
713644214264040
oct2151273551575
9474227381025
10151581021053
1159315597720
1225464216365
13113a8c9b787
14749d744c57
153e227d01d8
hex234aeed37d

151581021053 has 8 divisors (see below), whose sum is σ = 188984130240. Its totient is φ = 118115081280.

The previous prime is 151581021047. The next prime is 151581021073. The reversal of 151581021053 is 350120185151.

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

It is not a de Polignac number, because 151581021053 - 212 = 151581016957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151581021043) 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, 984292268 + ... + 984292421.

It is an arithmetic number, because the mean of its divisors is an integer number (23623016280).

Almost surely, 2151581021053 is an apocalyptic number.

It is an amenable number.

151581021053 is a deficient number, since it is larger than the sum of its proper divisors (37403109187).

151581021053 is a wasteful number, since it uses less digits than its factorization.

151581021053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968584707.

The product of its (nonzero) digits is 6000, while the sum is 32.

The spelling of 151581021053 in words is "one hundred fifty-one billion, five hundred eighty-one million, twenty-one thousand, fifty-three".

Divisors: 1 7 11 77 1968584689 13780092823 21654431579 151581021053