Search a number
-
+
101030121253 = 1749371203757
BaseRepresentation
bin101111000010111011…
…1010100111100100101
3100122202221222220221201
41132011313110330211
53123402202340003
6114225042042501
710204422601315
oct1360567247445
9318687886851
10101030121253
1139934962486
12176b6949431
1396b1064b49
144c65bad445
1529648bab1d
hex1785dd4f25

101030121253 has 8 divisors (see below), whose sum is σ = 106994826072. Its totient is φ = 95067833856.

The previous prime is 101030121217. The next prime is 101030121277. The reversal of 101030121253 is 352121030101.

It can be written as a sum of positive squares in 4 ways, for example, as 23950038564 + 77080082689 = 154758^2 + 277633^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101030121253 - 225 = 100996566821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101030121253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101030121553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517950 + ... + 685807.

It is an arithmetic number, because the mean of its divisors is an integer number (13374353259).

Almost surely, 2101030121253 is an apocalyptic number.

It is an amenable number.

101030121253 is a deficient number, since it is larger than the sum of its proper divisors (5964704819).

101030121253 is a wasteful number, since it uses less digits than its factorization.

101030121253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208711.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 101030121253 its reverse (352121030101), we get a palindrome (453151151354).

The spelling of 101030121253 in words is "one hundred one billion, thirty million, one hundred twenty-one thousand, two hundred fifty-three".

Divisors: 1 17 4937 83929 1203757 20463869 5942948309 101030121253