Search a number
-
+
151226615621 = 19149187928429
BaseRepresentation
bin1000110011010111001…
…1110000011101000101
3112110100020120001011202
42030311303300131011
54434203003144441
6153250023112245
713632352011044
oct2146563603505
9473306501152
10151226615621
1159153533674
12253855a2685
1311350732313
14746864c55b
153e0162619b
hex2335cf0745

151226615621 has 16 divisors (see below), whose sum is σ = 160345200000. Its totient is φ = 142225056576.

The previous prime is 151226615597. The next prime is 151226615647. The reversal of 151226615621 is 126516622151.

151226615621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 151226615621 - 230 = 150152873797 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 (151226611621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5305235 + ... + 5333663.

It is an arithmetic number, because the mean of its divisors is an integer number (10021575000).

Almost surely, 2151226615621 is an apocalyptic number.

It is an amenable number.

151226615621 is a deficient number, since it is larger than the sum of its proper divisors (9118584379).

151226615621 is a wasteful number, since it uses less digits than its factorization.

151226615621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30476.

The product of its digits is 43200, while the sum is 38.

The spelling of 151226615621 in words is "one hundred fifty-one billion, two hundred twenty-six million, six hundred fifteen thousand, six hundred twenty-one".

Divisors: 1 19 149 1879 2831 28429 35701 279971 540151 4235921 5319449 53418091 80482499 1014943729 7959295559 151226615621