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103220130213 = 32372389129749
BaseRepresentation
bin110000000100001100…
…1100011000110100101
3100212102120212220110200
41200020121203012211
53142343323131323
6115230233341113
710312614426144
oct1401031430645
9325376786420
10103220130213
113a859088642
1218008267799
13996c9a8a35
144dd29a975b
152a41cb2443
hex18086631a5

103220130213 has 24 divisors (see below), whose sum is σ = 153190635000. Its totient is φ = 66925056384.

The previous prime is 103220130161. The next prime is 103220130217. The reversal of 103220130213 is 312031022301.

103220130213 is a `hidden beast` number, since 1 + 0 + 322 + 0 + 130 + 213 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28975869729 + 74244260484 = 170223^2 + 272478^2 .

It is a de Polignac number, because none of the positive numbers 2k-103220130213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103220130217) 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, 730663 + ... + 860411.

It is an arithmetic number, because the mean of its divisors is an integer number (6382943125).

Almost surely, 2103220130213 is an apocalyptic number.

It is an amenable number.

103220130213 is a deficient number, since it is larger than the sum of its proper divisors (49970504787).

103220130213 is a wasteful number, since it uses less digits than its factorization.

103220130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132181 (or 132178 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 103220130213 its reverse (312031022301), we get a palindrome (415251152514).

The spelling of 103220130213 in words is "one hundred three billion, two hundred twenty million, one hundred thirty thousand, two hundred thirteen".

Divisors: 1 3 9 37 111 333 2389 7167 21501 88393 129749 265179 389247 795537 1167741 4800713 14402139 43206417 309970361 929911083 2789733249 11468903357 34406710071 103220130213