Search a number
-
+
157133201550 = 23521380581129
BaseRepresentation
bin1001001001010111011…
…1100110000010001110
3120000120212211200211120
42102111313212002032
510033302044422200
6200104101501410
714231623114143
oct2222567460216
9500525750746
10157133201550
1160704661046
1226553711866
1311a82352190
147868ca23ca
154149e5a9a0
hex2495de608e

157133201550 has 48 divisors (see below), whose sum is σ = 419666525040. Its totient is φ = 38678941440.

The previous prime is 157133201531. The next prime is 157133201581. The reversal of 157133201550 is 55102331751.

157133201550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 40288615 + ... + 40292514.

It is an arithmetic number, because the mean of its divisors is an integer number (8743052605).

Almost surely, 2157133201550 is an apocalyptic number.

157133201550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157133201550 is an abundant number, since it is smaller than the sum of its proper divisors (262533323490).

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

157133201550 is a wasteful number, since it uses less digits than its factorization.

157133201550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80581157 (or 80581152 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 33.

The spelling of 157133201550 in words is "one hundred fifty-seven billion, one hundred thirty-three million, two hundred one thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 13 15 25 26 30 39 50 65 75 78 130 150 195 325 390 650 975 1950 80581129 161162258 241743387 402905645 483486774 805811290 1047554677 1208716935 2014528225 2095109354 2417433870 3142664031 4029056450 5237773385 6043584675 6285328062 10475546770 12087169350 15713320155 26188866925 31426640310 52377733850 78566600775 157133201550