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100222221193 = 19149123728619
BaseRepresentation
bin101110101010110110…
…1011011101110001001
3100120200122210100102021
41131111231123232021
53120223342034233
6114012542004441
710145412552463
oct1352555335611
9316618710367
10100222221193
113955a916186
1217510276721
1395b2877183
144bca789133
1529189d2e2d
hex1755b5bb89

100222221193 has 16 divisors (see below), whose sum is σ = 106294680000. Its totient is φ = 94230603072.

The previous prime is 100222221181. The next prime is 100222221241. The reversal of 100222221193 is 391122222001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100222221193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100222221133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3487638 + ... + 3516256.

It is an arithmetic number, because the mean of its divisors is an integer number (6643417500).

Almost surely, 2100222221193 is an apocalyptic number.

It is an amenable number.

100222221193 is a deficient number, since it is larger than the sum of its proper divisors (6072458807).

100222221193 is a wasteful number, since it uses less digits than its factorization.

100222221193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30024.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 100222221193 its reverse (391122222001), we get a palindrome (491344443194).

The spelling of 100222221193 in words is "one hundred billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred ninety-three".

Divisors: 1 19 149 1237 2831 23503 28619 184313 543761 3501947 4264231 35401703 81020389 672632357 5274853747 100222221193