Search a number
-
+
157303143030 = 235112631812457
BaseRepresentation
bin1001001001111111111…
…1110111101001110110
3120001000201121121201110
42102133333313221312
510034124101034110
6200133012135450
714236055440305
oct2223777675166
9501021547643
10157303143030
1160791583650
12265a0607586
1311aab613977
14788369c43c
154159d28a20
hex249fff7a76

157303143030 has 64 divisors (see below), whose sum is σ = 413414419968. Its totient is φ = 37989077760.

The previous prime is 157303143013. The next prime is 157303143031. The reversal of 157303143030 is 30341303751.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157303143031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 819439 + ... + 993018.

It is an arithmetic number, because the mean of its divisors is an integer number (6459600312).

Almost surely, 2157303143030 is an apocalyptic number.

157303143030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157303143030 is an abundant number, since it is smaller than the sum of its proper divisors (256111276938).

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

157303143030 is a wasteful number, since it uses less digits than its factorization.

157303143030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812741.

The product of its (nonzero) digits is 11340, while the sum is 30.

Adding to 157303143030 its reverse (30341303751), we get a palindrome (187644446781).

The spelling of 157303143030 in words is "one hundred fifty-seven billion, three hundred three million, one hundred forty-three thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 263 330 526 789 1315 1578 2630 2893 3945 5786 7890 8679 14465 17358 28930 43395 86790 1812457 3624914 5437371 9062285 10874742 18124570 19937027 27186855 39874054 54373710 59811081 99685135 119622162 199370270 299055405 476676191 598110810 953352382 1430028573 2383380955 2860057146 4766761910 5243438101 7150142865 10486876202 14300285730 15730314303 26217190505 31460628606 52434381010 78651571515 157303143030