Search a number
-
+
155045045200 = 24523547109279
BaseRepresentation
bin1001000001100101100…
…1111010001111010000
3112211012100121100211111
42100121121322033100
510020013012421300
6155120545223104
714126106065563
oct2203131721720
9484170540744
10155045045200
115a8329822a1
1226070331a94
131180b8500c6
14770b81a4da
1540769829ba
hex241967a3d0

155045045200 has 60 divisors (see below), whose sum is σ = 372604147840. Its totient is φ = 61999966080.

The previous prime is 155045045189. The next prime is 155045045227. The reversal of 155045045200 is 2540540551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1364161 + ... + 1473439.

Almost surely, 2155045045200 is an apocalyptic number.

155045045200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155045045200 is an abundant number, since it is smaller than the sum of its proper divisors (217559102640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155045045200 is a wasteful number, since it uses less digits than its factorization.

155045045200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112844 (or 112833 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

Adding to 155045045200 its reverse (2540540551), we get a palindrome (157585585751).

The spelling of 155045045200 in words is "one hundred fifty-five billion, forty-five million, forty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 3547 7094 14188 17735 28376 35470 56752 70940 88675 109279 141880 177350 218558 283760 354700 437116 546395 709400 874232 1092790 1418800 1748464 2185580 2731975 4371160 5463950 8742320 10927900 21855800 43711600 387612613 775225226 1550450452 1938063065 3100900904 3876126130 6201801808 7752252260 9690315325 15504504520 19380630650 31009009040 38761261300 77522522600 155045045200