Search a number
-
+
103820093090 = 2572297306129
BaseRepresentation
bin110000010110000101…
…0001110011010100010
3100220222101211011210222
41200230022032122202
53200110420434330
6115405544523042
710333521142100
oct1405412163242
9326871734728
10103820093090
114003681062a
1218155180482
139a3709075c
14504c542c70
152a797c40e5
hex182c28e6a2

103820093090 has 48 divisors (see below), whose sum is σ = 224882681400. Its totient is φ = 34368026112.

The previous prime is 103820093081. The next prime is 103820093099. The reversal of 103820093090 is 90390028301.

It is an interprime number because it is at equal distance from previous prime (103820093081) and next prime (103820093099).

It can be written as a sum of positive squares in 4 ways, for example, as 102663208921 + 1156884169 = 320411^2 + 34013^2 .

It is a super-2 number, since 2×1038200930902 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 103820093090.

It is not an unprimeable number, because it can be changed into a prime (103820093099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3638855 + ... + 3667274.

Almost surely, 2103820093090 is an apocalyptic number.

103820093090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103820093090 is an abundant number, since it is smaller than the sum of its proper divisors (121062588310).

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

103820093090 is a wasteful number, since it uses less digits than its factorization.

103820093090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306179 (or 7306172 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 103820093090 in words is "one hundred three billion, eight hundred twenty million, ninety-three thousand, ninety".

Divisors: 1 2 5 7 10 14 29 35 49 58 70 98 145 203 245 290 406 490 1015 1421 2030 2842 7105 14210 7306129 14612258 36530645 51142903 73061290 102285806 211877741 255714515 358000321 423755482 511429030 716000642 1059388705 1483144187 1790001605 2118777410 2966288374 3580003210 7415720935 10382009309 14831441870 20764018618 51910046545 103820093090