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103102212143 = 771207449119
BaseRepresentation
bin110000000000101011…
…1101110100000101111
3100212010101000001021202
41200001113232200233
53142123131242033
6115210422120115
710306653225530
oct1400127564057
9325111001252
10103102212143
113a7a8568a97
1217b9488003b
139951430628
144dc1072687
152a3676d8e8
hex18015ee82f

103102212143 has 8 divisors (see below), whose sum is σ = 119490693120. Its totient is φ = 87128629560.

The previous prime is 103102212107. The next prime is 103102212163. The reversal of 103102212143 is 341212201301.

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

It is not a de Polignac number, because 103102212143 - 28 = 103102211887 is a prime.

It is a super-2 number, since 2×1031022121432 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103102212163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103724063 + ... + 103725056.

It is an arithmetic number, because the mean of its divisors is an integer number (14936336640).

Almost surely, 2103102212143 is an apocalyptic number.

103102212143 is a deficient number, since it is larger than the sum of its proper divisors (16388480977).

103102212143 is an equidigital number, since it uses as much as digits as its factorization.

103102212143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207449197.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 103102212143 its reverse (341212201301), we get a palindrome (444314413444).

The spelling of 103102212143 in words is "one hundred three billion, one hundred two million, two hundred twelve thousand, one hundred forty-three".

Divisors: 1 7 71 497 207449119 1452143833 14728887449 103102212143