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22100148136 = 2311251138047
BaseRepresentation
bin10100100101010001…
…010111111110101000
32010001012022211220001
4110211101113332220
5330230114220021
614052550512344
71411443105523
oct244521277650
963035284801
1022100148136
119410a59440
1243493656b4
132112818041
1410d91adbba
15895312091
hex525457fa8

22100148136 has 16 divisors (see below), whose sum is σ = 45204848640. Its totient is φ = 10045521840.

The previous prime is 22100148107. The next prime is 22100148143. The reversal of 22100148136 is 63184100122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125568936 + ... + 125569111.

It is an arithmetic number, because the mean of its divisors is an integer number (2825303040).

Almost surely, 222100148136 is an apocalyptic number.

It is an amenable number.

22100148136 is an abundant number, since it is smaller than the sum of its proper divisors (23104700504).

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

22100148136 is a wasteful number, since it uses less digits than its factorization.

22100148136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251138064 (or 251138060 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 22100148136 its reverse (63184100122), we get a palindrome (85284248258).

It can be divided in two parts, 22100 and 148136, that added together give a triangular number (170236 = T583).

The spelling of 22100148136 in words is "twenty-two billion, one hundred million, one hundred forty-eight thousand, one hundred thirty-six".

Divisors: 1 2 4 8 11 22 44 88 251138047 502276094 1004552188 2009104376 2762518517 5525037034 11050074068 22100148136