Search a number
-
+
155288182054 = 277644091027
BaseRepresentation
bin1001000010011111100…
…1011001110100100110
3112211211022002222220011
42100213321121310212
510021012233311204
6155201032400434
714135120524435
oct2204771316446
9484738088804
10155288182054
115a948148645
122611984611a
131184a02b975
147731c2b11c
15408cead304
hex2427e59d26

155288182054 has 4 divisors (see below), whose sum is σ = 232932273084. Its totient is φ = 77644091026.

The previous prime is 155288182043. The next prime is 155288182061. The reversal of 155288182054 is 450281882551.

It is a happy number.

155288182054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1552881820542 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 155288181989 and 155288182007.

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 as a sum of consecutive naturals, namely, 38822045512 + ... + 38822045515.

It is an arithmetic number, because the mean of its divisors is an integer number (58233068271).

Almost surely, 2155288182054 is an apocalyptic number.

155288182054 is a deficient number, since it is larger than the sum of its proper divisors (77644091030).

155288182054 is an equidigital number, since it uses as much as digits as its factorization.

155288182054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77644091029.

The product of its (nonzero) digits is 1024000, while the sum is 49.

The spelling of 155288182054 in words is "one hundred fifty-five billion, two hundred eighty-eight million, one hundred eighty-two thousand, fifty-four".

Divisors: 1 2 77644091027 155288182054