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103210244420 = 2256184598561
BaseRepresentation
bin110000000011111001…
…1110101100101000100
3100212101220021122201012
41200013303311211010
53142333310310140
6115225241421352
710312434413453
oct1400763654504
9325356248635
10103210244420
113a853546268
1218004a9a858
13996a92715a
144dd1554b9a
152a40ead265
hex1807cf5944

103210244420 has 24 divisors (see below), whose sum is σ = 220294655448. Its totient is φ = 40607308800.

The previous prime is 103210244393. The next prime is 103210244471. The reversal of 103210244420 is 24442012301.

It can be written as a sum of positive squares in 4 ways, for example, as 2565219904 + 100645024516 = 50648^2 + 317246^2 .

It is a super-2 number, since 2×1032102444202 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 42298061 + ... + 42300500.

It is an arithmetic number, because the mean of its divisors is an integer number (9178943977).

Almost surely, 2103210244420 is an apocalyptic number.

103210244420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103210244420 is an abundant number, since it is smaller than the sum of its proper divisors (117084411028).

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

103210244420 is a wasteful number, since it uses less digits than its factorization.

103210244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84598631 (or 84598629 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 103210244420 its reverse (24442012301), we get a palindrome (127652256721).

The spelling of 103210244420 in words is "one hundred three billion, two hundred ten million, two hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 84598561 169197122 338394244 422992805 845985610 1691971220 5160512221 10321024442 20642048884 25802561105 51605122210 103210244420