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11222142141 = 372591293917
BaseRepresentation
bin10100111001110010…
…00100110010111101
31001222002102212222010
422130321010302331
5140440332022031
65053321241433
7545044430400
oct123471046275
931862385863
1011222142141
114839674541
122212333279
13109ac650c2
147865b7d37
1545a31e246
hex29ce44cbd

11222142141 has 24 divisors (see below), whose sum is σ = 17700798240. Its totient is φ = 6303958752.

The previous prime is 11222142079. The next prime is 11222142181. The reversal of 11222142141 is 14124122211.

It is not a de Polignac number, because 11222142141 - 211 = 11222140093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222142181) 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, 638286 + ... + 655631.

It is an arithmetic number, because the mean of its divisors is an integer number (737533260).

Almost surely, 211222142141 is an apocalyptic number.

It is an amenable number.

11222142141 is a deficient number, since it is larger than the sum of its proper divisors (6478656099).

11222142141 is a wasteful number, since it uses less digits than its factorization.

11222142141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293993 (or 1293986 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

Adding to 11222142141 its reverse (14124122211), we get a palindrome (25346264352).

The spelling of 11222142141 in words is "eleven billion, two hundred twenty-two million, one hundred forty-two thousand, one hundred forty-one".

Divisors: 1 3 7 21 49 59 147 177 413 1239 2891 8673 1293917 3881751 9057419 27172257 63401933 76341103 190205799 229023309 534387721 1603163163 3740714047 11222142141