Search a number
-
+
154143323050 = 25289271127819
BaseRepresentation
bin1000111110001110101…
…0000111001110101010
3112201212111212010120211
42033203222013032222
510011141142314200
6154451254211334
714064546425203
oct2174352071652
9481774763524
10154143323050
115a40a984082
1225a5a353b4a
13116c6aa28c2
147663b725aa
154022715aba
hex23e3a873aa

154143323050 has 48 divisors (see below), whose sum is σ = 291000124800. Its totient is φ = 60739113600.

The previous prime is 154143323041. The next prime is 154143323107. The reversal of 154143323050 is 50323341451.

It is a super-2 number, since 2×1541433230502 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1142041 + ... + 1269859.

It is an arithmetic number, because the mean of its divisors is an integer number (6062502600).

Almost surely, 2154143323050 is an apocalyptic number.

154143323050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154143323050 is a deficient number, since it is larger than the sum of its proper divisors (136856801750).

154143323050 is a wasteful number, since it uses less digits than its factorization.

154143323050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128191 (or 128186 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 154143323050 in words is "one hundred fifty-four billion, one hundred forty-three million, three hundred twenty-three thousand, fifty".

Divisors: 1 2 5 10 25 50 89 178 271 445 542 890 1355 2225 2710 4450 6775 13550 24119 48238 120595 127819 241190 255638 602975 639095 1205950 1278190 3195475 6390950 11375891 22751782 34638949 56879455 69277898 113758910 173194745 284397275 346389490 568794550 865973725 1731947450 3082866461 6165732922 15414332305 30828664610 77071661525 154143323050