Search a number
-
+
7135189020 = 2233571186103
BaseRepresentation
bin1101010010100101…
…00101100000011100
3200102021010011021000
412221102211200130
5104103102022040
63140003510300
7341550051231
oct65122454034
920367104230
107135189020
1130316a0133
121471688390
1389931a54b
144b98ab788
152bb620130
hex1a94a581c

7135189020 has 96 divisors (see below), whose sum is σ = 22511139840. Its totient is φ = 1875908160.

The previous prime is 7135188947. The next prime is 7135189021. The reversal of 7135189020 is 209815317.

It is a super-2 number, since 2×71351890202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7135189021) 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, 54712 + ... + 131391.

It is an arithmetic number, because the mean of its divisors is an integer number (234491040).

Almost surely, 27135189020 is an apocalyptic number.

It is an amenable number.

7135189020 is an abundant number, since it is smaller than the sum of its proper divisors (15375950820).

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

7135189020 is a wasteful number, since it uses less digits than its factorization.

7135189020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186192 (or 186184 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 7135189020 is about 84470.0480643879. The cubic root of 7135189020 is about 1925.1673791604.

The spelling of 7135189020 in words is "seven billion, one hundred thirty-five million, one hundred eighty-nine thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 71 90 108 135 142 180 213 270 284 355 426 540 639 710 852 1065 1278 1420 1917 2130 2556 3195 3834 4260 6390 7668 9585 12780 19170 38340 186103 372206 558309 744412 930515 1116618 1674927 1861030 2233236 2791545 3349854 3722060 5024781 5583090 6699708 8374635 10049562 11166180 13213313 16749270 20099124 25123905 26426626 33498540 39639939 50247810 52853252 66066565 79279878 100495620 118919817 132133130 158559756 198199695 237839634 264266260 356759451 396399390 475679268 594599085 713518902 792798780 1189198170 1427037804 1783797255 2378396340 3567594510 7135189020