Search a number
-
+
155255264645 = 5132508136161
BaseRepresentation
bin1001000010010111101…
…1110101010110000101
3112211202000011121200212
42100211323311112011
510020430321432040
6155153455045205
714134240655345
oct2204573652605
9484660147625
10155255264645
115a930605278
122610a810805
1311843274b00
14772b6dcd25
15408a159d65
hex2425ef5585

155255264645 has 24 divisors (see below), whose sum is σ = 201785261832. Its totient is φ = 114624307200.

The previous prime is 155255264629. The next prime is 155255264657. The reversal of 155255264645 is 546462552551.

155255264645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 94983541636 + 60271723009 = 308194^2 + 245503^2 .

It is not a de Polignac number, because 155255264645 - 24 = 155255264629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155255264593 and 155255264602.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4275365 + ... + 4311525.

It is an arithmetic number, because the mean of its divisors is an integer number (8407719243).

Almost surely, 2155255264645 is an apocalyptic number.

It is an amenable number.

155255264645 is a deficient number, since it is larger than the sum of its proper divisors (46529997187).

155255264645 is a wasteful number, since it uses less digits than its factorization.

155255264645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41273 (or 41260 counting only the distinct ones).

The product of its digits is 7200000, while the sum is 50.

The spelling of 155255264645 in words is "one hundred fifty-five billion, two hundred fifty-five million, two hundred sixty-four thousand, six hundred forty-five".

Divisors: 1 5 13 65 169 845 5081 25405 36161 66053 180805 330265 470093 858689 2350465 4293445 6111209 30556045 183734041 918670205 2388542533 11942712665 31051052929 155255264645