Search a number
-
+
157535353690 = 251113993111093
BaseRepresentation
bin1001001010110111010…
…1101011101101011010
3120001121220120010212021
42102231311223231122
510040113022304230
6200212025205054
714244605261311
oct2225565535532
9501556503767
10157535353690
11608a0666990
122664633078a
1311b17768220
1478a6467278
1541703e6c7a
hex24add6bb5a

157535353690 has 64 divisors (see below), whose sum is σ = 333201278592. Its totient is φ = 52868908800.

The previous prime is 157535353649. The next prime is 157535353699. The reversal of 157535353690 is 96353535751.

157535353690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1575353536902 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157535353699) 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, 14195784 + ... + 14206876.

It is an arithmetic number, because the mean of its divisors is an integer number (5206269978).

Almost surely, 2157535353690 is an apocalyptic number.

157535353690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157535353690 is an abundant number, since it is smaller than the sum of its proper divisors (175665924902).

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

157535353690 is a wasteful number, since it uses less digits than its factorization.

157535353690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21055.

The product of its (nonzero) digits is 6378750, while the sum is 52.

It can be divided in two parts, 157535 and 353690, that added together give a square (511225 = 7152).

The spelling of 157535353690 in words is "one hundred fifty-seven billion, five hundred thirty-five million, three hundred fifty-three thousand, six hundred ninety".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 9931 11093 19862 22186 49655 55465 99310 109241 110930 122023 129103 144209 218482 244046 258206 288418 546205 610115 645515 721045 1092410 1220230 1291030 1420133 1442090 1586299 2840266 3172598 7100665 7931495 14201330 15862990 110164583 220329166 550822915 1101645830 1211810413 1432139579 2423620826 2864279158 6059052065 7160697895 12118104130 14321395790 15753535369 31507070738 78767676845 157535353690