Search a number
-
+
137181223652188 = 22231491100257089
BaseRepresentation
bin11111001100001111111110…
…000110110000101101011100
3122222201101201100020122122011
4133030033332012300231130
5120440034121223332223
61203432103435201004
740616005414460122
oct3714177606605534
9588641640218564
10137181223652188
113a78a259498751
12134767822a6164
135b711981ab0b1
1425c386c919912
1510cd5e9b0e80d
hex7cc3fe1b0b5c

137181223652188 has 12 divisors (see below), whose sum is σ = 250504843191120. Its totient is φ = 65608411311872.

The previous prime is 137181223652171. The next prime is 137181223652191. The reversal of 137181223652188 is 881256322181731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745550128453 + ... + 745550128636.

It is an arithmetic number, because the mean of its divisors is an integer number (20875403599260).

Almost surely, 2137181223652188 is an apocalyptic number.

It is an amenable number.

137181223652188 is a deficient number, since it is larger than the sum of its proper divisors (113323619538932).

137181223652188 is a wasteful number, since it uses less digits than its factorization.

137181223652188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491100257116 (or 1491100257114 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 58.

The spelling of 137181223652188 in words is "one hundred thirty-seven trillion, one hundred eighty-one billion, two hundred twenty-three million, six hundred fifty-two thousand, one hundred eighty-eight".

Divisors: 1 2 4 23 46 92 1491100257089 2982200514178 5964401028356 34295305913047 68590611826094 137181223652188