Search a number
-
+
10210312002221 = 129742611847513
BaseRepresentation
bin1001010010010100011000…
…0001010001101010101101
31100011002121012100221000222
42110211012001101222231
52314241204333032341
633414315205101125
72102446023021602
oct224450601215255
940132535327028
1010210312002221
113287194a41101
12118a9b09b77a5
13590a9c9a5956
1427427898c6a9
1512a8d885544b
hex94946051aad

10210312002221 has 8 divisors (see below), whose sum is σ = 10220587859064. Its totient is φ = 10200039851520.

The previous prime is 10210312002167. The next prime is 10210312002227. The reversal of 10210312002221 is 12220021301201.

It can be written as a sum of positive squares in 4 ways, for example, as 5401041072196 + 4809270930025 = 2324014^2 + 2193005^2 .

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 10210312002221 - 214 = 10210311985837 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 10210312002221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210312002227) 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, 4602761 + ... + 6450273.

It is an arithmetic number, because the mean of its divisors is an integer number (1277573482383).

Almost surely, 210210312002221 is an apocalyptic number.

It is an amenable number.

10210312002221 is a deficient number, since it is larger than the sum of its proper divisors (10275856843).

10210312002221 is a wasteful number, since it uses less digits than its factorization.

10210312002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853071.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10210312002221 its reverse (12220021301201), we get a palindrome (22430333303422).

The spelling of 10210312002221 in words is "ten trillion, two hundred ten billion, three hundred twelve million, two thousand, two hundred twenty-one".

Divisors: 1 1297 4261 1847513 5526517 2396224361 7872252893 10210312002221