Search a number
-
+
155372582290 = 2515537258229
BaseRepresentation
bin1001000010110011101…
…1010111010110010010
3112212001011220222020211
42100230323113112102
510021200340113130
6155213245354334
714140164105322
oct2205473272622
9485034828224
10155372582290
115a990854802
1226141b689aa
131186166cb33
14773d11b282
1540955d0a2a
hex242ced7592

155372582290 has 8 divisors (see below), whose sum is σ = 279670648140. Its totient is φ = 62149032912.

The previous prime is 155372582269. The next prime is 155372582291. The reversal of 155372582290 is 92285273551.

It is a happy number.

155372582290 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 2 ways, for example, as 151116455169 + 4256127121 = 388737^2 + 65239^2 .

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

It is not an unprimeable number, because it can be changed into a prime (155372582291) 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 3 ways as a sum of consecutive naturals, for example, 7768629105 + ... + 7768629124.

Almost surely, 2155372582290 is an apocalyptic number.

155372582290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155372582290 is a deficient number, since it is larger than the sum of its proper divisors (124298065850).

155372582290 is a wasteful number, since it uses less digits than its factorization.

155372582290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15537258236.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 155372582290 in words is "one hundred fifty-five billion, three hundred seventy-two million, five hundred eighty-two thousand, two hundred ninety".

Divisors: 1 2 5 10 15537258229 31074516458 77686291145 155372582290