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2142142044 = 223731218171
BaseRepresentation
bin111111110101110…
…0111111001011100
312112021211002110020
41333223213321130
513341342021134
6552321312140
7104040623040
oct17753477134
95467732406
102142142044
119aa202029
124b9495650
13281a54693
141646da020
15c80ddb49
hex7fae7e5c

2142142044 has 48 divisors (see below), whose sum is σ = 5714908416. Its totient is φ = 611769600.

The previous prime is 2142142039. The next prime is 2142142049. The reversal of 2142142044 is 4402412412.

It is an interprime number because it is at equal distance from previous prime (2142142039) and next prime (2142142049).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142142049) 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, 258079 + ... + 266249.

It is an arithmetic number, because the mean of its divisors is an integer number (119060592).

Almost surely, 22142142044 is an apocalyptic number.

It is an amenable number.

2142142044 is an abundant number, since it is smaller than the sum of its proper divisors (3572766372).

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

2142142044 is a wasteful number, since it uses less digits than its factorization.

2142142044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11306 (or 11304 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2142142044 is about 46283.2803936800. The cubic root of 2142142044 is about 1289.0885623613.

Adding to 2142142044 its reverse (4402412412), we get a palindrome (6544554456).

The spelling of 2142142044 in words is "two billion, one hundred forty-two million, one hundred forty-two thousand, forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 3121 6242 8171 9363 12484 16342 18726 21847 24513 32684 37452 43694 49026 57197 65541 87388 98052 114394 131082 171591 228788 262164 343182 686364 25501691 51003382 76505073 102006764 153010146 178511837 306020292 357023674 535535511 714047348 1071071022 2142142044